Journal Publications
Faculty, staff, and students at the Spine Research Institute have been publishing research breakthroughs since 1982. Together, they have published over 250 peer-reviewed journal articles, which have accumulated over 18,000 citations and are available for reference in the links below.
Present - 2020 - 2010 - 2000 - 1990 - 1980
2020
An electromyography-assisted biomechanical cervical spine model: Model development and validation
Clinical Biomechanics, Volume 80, Pages 1-9
Mina Alizadeh, Alexander M. Aurand, Gregory G. Knapik, Jonathan S. Dufour, Ehud Mendel, Eric Bourekas, William S. Marras
Comparison of push/pull force estimates using a single-axis gauge versus a three-dimensional hand transducer
Applied Ergonomics, Volume 88, Pages 1-8
Eric B. Weston, William S. Marras
One versus two-handed lifting and lowering: lumbar spine loads and recommended one-handed limits protecting the lower back
Ergonomics, Volume 63, Issue 4, Pages 505-521
Eric B. Weston, Alexander M. Aurand, Jonathan S. Dufour, Gregory G. Knapik, William S. Marras
A biomechanical evaluation of potential ergonomic solutions for use by firefighter and EMS providers when lifting heavy patients in their homes
Applied Ergonomics, Volume 82, Pages 1-8
Steven A. Lavender, Carolyn M. Sommerich, Steven Bigelow, Eric B. Weston, Kelly Seagren, Noura Amini Pay, Dawn Sillars, Vivek Ramachandran, Chunyi Sun, Yilun Xu, William S. Marras
Spinal loading and lift style in confined vertical space
Applied Ergonomics, Volume 84, Pages 1-11
Eric B. Weston, Jonathan S. Dufour, Ming-Lun Lu, William S. Marras
2019
Biomechanical musculoskeletal models of the cervical spine: A systematic literature review
Clinical Biomechanics, In Press
Mina Alizadeh, Gregory G. Knapik, Prasath Mageswaran, Ehud Mendel, Eric Bourekas, William S. Marras
Impact of two postural assist exoskeletons on biomechanical loading of the lumbar spine
Applied Ergonomics, Volume 75, Pages 1-7
Michael T. Picchiotti, Eric B. Weston, Gregory G. Knapik, Jonathan S. Dufour, William S. Marras
Patient and practitioner experience with clinical lumbar motion monitor wearable technology
Health and Technology, Volume 9, Issue 3, Pages 289-295
Sue A. Ferguson, Robin S. Berner, Matthew A. Bridger, Safdar N. Khan, Tristan E. Weaver, Elizabeth M. Yu, William S. Marras
Prevalence of low back pain, seeking medical care, and lost time due to low back pain among manual material handling workers in the United States
BMC Musculoskeletal Disorders, Volume 20, Issue 1, Number 243
Sue A. Ferguson, Andrew Merryweather, Matthew S. Thiese, Kurt T. Hegmann, Ming-Lun Lu, Jay M. Kapellusch, William S. Marras
2018
Development of a lumbar EMG-based coactivation index for the assessment of complex dynamic tasks
Ergonomics, Volume 61, Issue 3, Pages 381-389
Peter Le, Alexander Aurand, Benjamin Walter, Thomas M. Best, Safdar N. Khan, Ehud Mendel, William S. Marras
Scientific basis of ISO standards on biomechanical risk factors
Scand J Work Environ Health, Volume 44, Issue 3, Pages 327-333
Tom J. Armstrong, Alex Burdorf, Alexis Descatha, Andrea Farioli, Maggie Graf, Seichi Horie, William S. Marras, Jim R. Potvin, David Rempel, Giovanna Spatari, Esa-Pekka Takala, Jos Verbeek, Francesco S. Violante
Authors’ response: Letter to the Editor concerning OCRA as preferred method in ISO standards on biomechanical risk factors
Scand J Work Environ Health
Tom J. Armstrong, Alex Burdorf, Alexis Descatha, Andrea Farioli, Maggie Graf, Seichi Horie, William S. Marras, Jim R. Potvin, David Rempel, Giovanna Spatari, Esa-Pekka Takala, Jos Verbeek, Francesco S. Violante
Biomechanically determined hand force limits protecting the low back during occupational pushing and pulling tasks
Ergonomics, Volume 61, Issue 6, 2018, Pages 853-865
Eric B. Weston, Alexander Aurand, Jonathan S. Dufour, Gregory G. Knapik, William S. Marras
Effectiveness of a vacuum lifting system in reducing spinal load during airline baggage handling
Applied Ergonomics, Volume 70, 2018, Pages 247-252
Ming-Lun Lu, Jonathan S. Dufour, Eric B. Weston, William S. Marras
Biomechanical evaluation of exoskeleton use on loading of the lumbar spine
Applied Ergonomics, Volume 68, 2018, Pages 101-108
Eric B. Weston, Mina Alizadeh, Gregory G. Knapik, Xueke Wang, William S. Marras
2017
An exploratory electromyography-based coactivation index for the cervical spine
Human Factors, Volume 60, Issue 1, Pages 68-79
Peter Le, Alexander Aurand, Thomas M. Best, Safdar N. Khan, Ehud Mendel, William S. Marras
Spine loading during the application and removal of lifting slings: The effects of patient weight, bed height and work method
Ergonomics, Volume 60, Issue 5, Pages 636-648
Shasank Nagavarapu, Steven A. Lavender, William S. Marras
Wheelchair pushing and turning: Lumbar spine and shoulder loads and recommended limits
Ergonomics, Volume 60, Issue 12, 2017, Pages 1754-1765
Eric B. Weston, Safdar N. Khan, William S. Marras
MR Elastography-derived stiffness: A biomarker for intervertebral disc degeneration
Radiology, Volume 285, Issue 1, 2017, Pages 167-175.
Benjamin Walter, Prasath Mageswaran, Xiaokui Mo, Daniel J. Boulter, Hazem Mashaly, Xuan V. Nguyen, Luciano M. Prevedello, William Thoman, Brian D. Raterman, Prateek Kaira, Ehud Mendel, William S. Marras, Arunkark Kolipaka
Accuracy map of an optical motion capture system with 42 or 21 cameras in a large measurement volume
Journal of Biomechanics, Volume 58, 2017, Pages 237-240
Alexander Aurand, Jonathan S. Dufour, William S. Marras
Development and testing of a moment-based coactivation index to assess complex dynamic tasks for the lumbar spine
Clinical Biomechanics, Volume 46, 2017, Pages 23-32
Peter Le, Alexander Aurand, Jonathan S. Dufour, Gregory G. Knapik, Thomas M. Best, Safdar N. Khan, Ehud Mendel, William S. Marras
A review of methods to assess coactivation in the spine
Journal of Electromyography and Kinesiology, Volume 32, 2017, Pages 51-60
Peter Le, Thomas M. Best, Safdar N. Khan, Ehud Mendel, William S. Marras
Curved muscles in biomechanical models of the spine: A systematic literature review
Ergonomics, Volume 60, Issue 4, 2017, Pages 577-588
Jaejin Hwang, Gregory G. Knapik, Jonathan S. Dufour, William S. Marras
A biomechanical and physiological study of office seat and tablet device interaction
Applied Ergonomics, Volume 62, 2017, Pages 83-93
Eric B. Weston, Peter Le, William S. Marras
An EMG-driven biomechanical model of the canine cervical spine
Journal of Electromyography and Kinesiology, Volume 32, 2017, Pages 101-109
Mina Alizadeh, Gregory G. Knapik, Jonathan S. Dufour, Claudia Zindl, Matthew J. Allen, Judith Bertran, Noel Fitzpatrick, William S. Marras
Validation of a personalized curved muscle model of the lumbar spine during complex dynamic exertions
Journal of Electromyography and Kinesiology, Volume 33, 2017, Pages 1-9
Jaejin Hwang, Gregory G. Knapik, Jonathan S. Dufour, Thomas M. Best, Safdar N. Khan, Ehud Mendel, William S. Marras
2016
The contribution of biomechanical-biological interactions of the spine to low back pain
Human Factors, Volume 58, Issue 7, Pages 965-975
William S. Marras, Benjamin A. Walter, Devina Purmessur, Prasath Mageswaran, Matthew G. Wiet
MRI cross sectional atlas of normal canine cervical musculoskeletal structure
Research in Veterinary Science, Volume 109, 2016, Pages 94-100
Mina Alizadeh, Claudia Zindl, Matthew J. Allen, Gregory G. Knapik, Noel Fitzpatrick, William S. Marras
A biologically-assisted curved muscle model of the lumbar spine: Model structure
Clinical Biomechanics, Volume 37, 2016, Pages 53-59
Jaejin Hwang, Gregory G. Knapik, Jonathan S. Dufour, Alexander Aurand, Thomas M. Best, Safdar N. Khan, Ehud Mendel, William S. Marras
A biologically-assisted curved muscle model of the lumbar spine: Model validation
Clinical Biomechanics, Volume 37, 2016, Pages 153-159
Jaejin Hwang, Gregory G. Knapik, Jonathan S. Dufour, Thomas M. Best, Safdar N. Khan, Ehud Mendel, William S. Marras
Prediction of magnetic resonance imaging-derived trunk muscle geometry with application to spine biomechanical modeling
Clinical Biomechanics, Volume 37, 2016, Pages 60-64
Jaejin Hwang, Jonathan S. Dufour, Gregory G. Knapik, Thomas M. Best, Safdar N. Khan, Ehud Mendel, William S. Marras
Evaluating the low back biomechanics of three different office workstations: Seated, standing, and perching
Applied Ergonomics, Volume 56, 2016, Pages 170-178
Peter Le, William S. Marras
2015
The secret life of the spine
Mechanical Engineering magazine, Volume 137, Issue 10, Pages 30-35
William S. Marras
Weight knowledge and weight magnitude: Impact on lumbosacral loading
Ergonomics, Volume 58, Issue 2, Pages 227-234
Ahmed T. Farrag, Walaa H. Elsayed, Mohsen M. El-Sayyad, William S. Marras
Changes in muscular activity and lumbosacral kinematics in response to handling objects of unknown mass magnitude
Human Movement Science, Volume 40, Pages 315-325
Walaa Elsayed, Ahmed Farrag, Mohsen El-Sayyad, William S. Marras
Low back functional health status of patient handlers
Journal of Occupational Rehabilitation, Volume 25, Issue 2, 2015, Pages 296-302
Sue A. Ferguson, Dustin R. Grooms, James A. Onate, Safdar N. Khan, William S. Marras
Biomechanical patterns of text message distraction
Ergonomics, Volume 58, Issue 10, 2015, Pages 1690-1700
Peter Le, Jaejin Hwang, Sarah Grawe, Jing Li, Alison Snyder, Christina Lee, William S. Marras
2014
Putting mind and body back together: A human-systems approach to the integration of the physical and cognitive dimensions of task design and operations
Applied Ergonomics, Volume 45, Issue 1, 2014, Pages 55-60
William S. Marras, Peter A. Hancock
Objective classification of vehicle seat discomfort
Ergonomics, Volume 57, Issue 4, 2014, Pages 536-544
Peter Le, Joseph Rose, Gregory Knapik, William S. Marras
Are workers who leave a job exposed to similar physical demands as workers who develop clinically meaningful declines in low-back function?
Human Factors, Volume 56, Issue 1, 2014, Pages 58-72
Sue A. Ferguson, William S. Marras, Steven A. Lavender, Riley E. Splittstoesser, Gang Yang
Cumulative spine loading and clinically meaningful declines in low-back function
Human Factors, Volume 56, Issue 1, 2014, Pages 29-43
William S. Marras, Sue A. Ferguson, Steven A. Lavender, Riley E. Splittstoesser, Gang Yang
Expert interview: William Marras
American Journal of Safe Patient Handling & Movement, Volume 4, Issue 2, 2014, Pages 57-61
Heather M. Monaghan, William S. Marras
Special issue preface: Epidemiological studies of workplace musculoskeletal disorders
Human Factors, Volume 56, Issue 1, 2014, Page 5
Arun Garg, William S. Marras
2013
Carrying and spine loading
Ergonomics, Volume 56, Issue 11, Pages 1722-1732
Joseph D. Rose, Ehud Mendel, William S. Marras
Shoulder muscle fatigue during repetitive tasks as measured by electromyography and near-infrared spectroscopy
Human Factors, Volume 55, Issue 6, 2013, Pages 1077-1087
Sue A. Ferguson, W. Gary Allread, Peter Le, Joseph Rose, William S. Marras
An EMG-assisted model calibration technique that does not require MVCs
Journal of Electromyography and Kinesiology, Volume 23, Issue 3, 2013, Pages 608-613
Jonathan S. Dufour, William S. Marras, Gregory G. Knapik
Spine kinematics predict symptom and lost time recurrence: How much recovery is enough?
Journal of Occupational Rehabilitation, Volume 23, Issue 3, 2013, Pages 329-335
Sue A. Ferguson, William S. Marras
Comparisons of tibial accelerations when walking on a wood composite vs. a concrete mezzanine surface
Applied Ergonomics, Volume 44, 2013, Pages 824-827
Steven A. Lavender, Jay P. Mehta, W. Gary Allread
2012
A strategy for human factors/ergonomics: Developing the discipline and profession
Ergonomics, Volume 55, Issue 4, Pages 377-395
Jan Dul, Ralph Bruder, Peter Buckle, Pascale Carayon, Pierre Falzon, William S. Marras, John R. Wilson, Bas van der Doelen
Use of a personalized hybrid biomechanical model to assess change in lumbar spine function with a TDR compared to an intact spine
European Spine Journal, Volume 21,(S.5), Pages S641-S652
Gregory G. Knapik, Ehud Mendel, William S. Marras
Immune responses to low back pain risk factors
Work, Volume 41, Pages 6016-6023
Riley E. Splittstoesser, William S. Marras, Thomas M. Best
The complex spine: The multi-dimensional system of causal pathways for low back disorders
Human Factors, Volume 54, Issue 6, Pages 881-889
William S. Marras
Association between spinal loads and the psychophysical determination of maximum acceptable force during pushing tasks
Ergonomics, Volume 55, Issue 9, Pages 1104-1114
Peter Le, Jonathan S. Dufour, Heath Monat, Joseph Rose, Zach Huber, Emma Alder, Radin Zaid Radin Umar, Bryan Hennessey, Mohini Dutt, William S. Marras
Developing physical exposure-based back injury risk models applicable to manual handling jobs in distribution centers
Journal of Occupational and Environmental Hygiene, Volume 9, Pages 450-459
Steven A. Lavender, William S. Marras, Sue A. Ferguson, Riley E. Splittstoesser, Gang Yang
A strategy for human factors/ergonomics: Developing the discipline and profession
Ergonomics, Volume 55, Issue 4, Pages 377-395
Jan Dul, Ralph Bruder, Peter Buckle, Pascale Carayon, Pierre Falzon, William S. Marras, John R. Wilson, Bas van der Boelen
Biomechanical, psychosocial and individual risk factors predicting low back functional impairment among furniture distribution employees
Clinical Biomechanics, Volume 27, Pages 117-123
Sue A. Ferguson, W. Gary Allread, Deborah L. Burr, Catherine Heaney, William S. Marras
A nonlinear contact algorithm predicting facet joint contribution in the lumbar spine of a specific person
Theoretical Issues in Ergonomics Science, Volume 13, Issue 3, Pages 303-317
Kimberly A. Vandlen, William S. Marras, Daniel Mendelsohn
Musculoskeletal disorder risk during automotive assembly: Current vs. seated
Applied Ergonomics, Volume 43, Pages 671-678
Sue A. Ferguson, William S. Marras, W. Gary Allread, Gregory G. Knapik, Riley E. Splittstoesser
Non-specific low back pain
The Lancet, Volume 378, Issue 9829, Page 1874
J.H. Van Dieen, P.P.F.M. Kuijer, Alex Burdof, William S. Marras, Michael A. Adams
Tolerance of the lumbar spine to shear: A review and recommended exposure limits
Clinical Biomechanics, Volume 27, Pages 973-978
Sean Gallagher, William S. Marras
Response to the commentary, 'A question of our marketing or our preconceptions'
Ergonomics, Volume 55, Issue 12, Pages 1618-1620
Jan Dul, Ralph Bruder, Peter Buckle, Pascale Caryon, Pierre Falzon, William S. Marras, John R. Wilson, Bas Van der Boelen
2011
The biochemical response to biomechanical tissue loading on the low back during physical work exposure
Clinical Biomechanics, Volume 26, Issue 5, Pages 431-437
Gang Yang, William S. Marras, Thomas M. Best
Musculoskeletal disorder risk as a function of vehicle rotation angle during assembly tasks
Applied Ergonomics, Volume 42, Pages 699-710
Sue A. Ferguson, William S. Marras, W. Gary Allread, Gregory G. Knapik, Kimberly A. Vandlen, Riley E. Splittstoesser, Gang Yang
Effects of postural and visual stressors on myofascial trigger point development and motor unit rotation during computer work
Journal of Electromyography and Kinesiology, Volume 21, Issues 41-48
Jeffrey A. Hoyle, William S. Marras, James E. Sheedy, Dennis E. Hart
2010
Instrumentation for measuring dynamic spinal load moment exposures in the workplace
Journal of Electromyography and Kinesiology, Volume 20, Issue 1, Pages 1-9
William S. Marras, Steven A. Lavender, Sue A. Ferguson, Riley E. Splittstoesser, Gang Yang, Pete Schabo
Quantitative biomechanical workplace exposure measures: Distribution centers
Journal of Electromyography and Kinesiology, Volume 20, Issue 5, Pages 813-822
William S. Marras, Steven A. Lavender, Sue A. Ferguson, Riley E. Splittstoesser, Gang Yang.
Quantitative dynamic measures of physical exposure: Predict low back functional impairment
Spine, Volume 35, Issue 8, Pages 914-923
William S. Marras, Steven A. Lavender, Sue A. Ferguson, Riley E. Splittstoesser, Gang Yang
Investigating reduced bag weight as an effective risk mediator for mason tenders
Applied Ergonomics, Volume 41, Issue 6, Pages 822-831
Kermit G. Davis, Susan E. Kotowski, James Albers, William S. Marras
2009
National Occupational Research Agenda (NORA) future directions in occupational musculoskeletal disorder health research
Applied Ergonomics, Volume 40, Pages 15-22
William S. Marras, Robert G. Cutlip, Susan E. Burt, Thomas R. Waters
Lumbar spine forces during manoeuvring of ceiling-based and floor-based patient transfer devices
Ergonomics, Volume 52, Issue 3, Pages 384-397
William S. Marras, Gregory G. Knapik, Sue A. Ferguson
Loading along the lumbar spine as influenced by speed, control, load magnitude, and handle height during pushing
Clinical Biomechanics, Volume 24, Issue 2, Pages 155-163
William S. Marras, Gregory G. Knapik, Sue A. Ferguson
Point of view
Spine, Volume 34, Issue 4, Pages 322
William S. Marras
Quantification of a meaningful change in low back functional impairment
Spine, Volume 34, Issue 19, Pages 2060-2065
Sue A. Ferguson, William S. Marras, Deborah L. Burr, Stephen Woods, Ehud Mendel, Purnendu Gupta
Spine loading at different lumbar levels during pushing and pulling
Ergonomics, Volume 52, Issue 1, Pages 60-70
Gregory G. Knapik, William S. Marras
2008
A critical review of a pivotal scientific contribution: Liles and associates 24 years later
Human Factors, Volume 50, Issue 3, Pages 393-396
William S. Marras
2007
Low back pain and the workplace
JAMA, Volume 298, Issue 4, Pages 403-404
Arun Garg, Fred Gerr, Jeffrey N. Katz, William S. Marras, Barbara Silverstein
A comparison of fatigue failure responses of old versus middle-aged lumbar motion segments in simulated flexed lifting
Spine, Volume 32, Issue 17, Pages 1832-1839
Sean Gallagher, William S. Marras, Alan S. Litsky, Deborah Burr, John Landoll, Velimir Matkovic
Identification of key variables using fuzzy average with fuzzy cluster distribution
IEEE Transactions on Fuzzy Systems, Volume 15, Issue 4, Pages 673-685
Yanfeng Hou, Jacek M. Zurada, Waldemar Karwowski, William S. Marras, Kermit Davis.
The influence of lift frequency, lift duration, and work experience on discomfort reporting
Ergonomics, Volume 50, Issue 3, Pages 396-409
Julia Parakkat, Gang Yang, Anne-Marie Chany, Deborah Burr, William S. Marras
Spinal loading during manual materials handling in a kneeling posture
Journal of Electromyography and Kinesiology, Volume 17, Pages 25-34
Riley E. Splittstoesser, Gang Yang, Greg G. Knapik, David R. Trippany, Jeff A. Hoyle, Parul Lahoti, Sahika Vatan Korkmaz, Carolyn M. Sommerich, Steven A. Lavender, William S. Marras.
The effects of work experience, lift frequency and exposure duration on low back muscle oxygenation
Clinical Biomechanics, Volume 22, Pages 21-27
Gang Yang, Anne-Marie Chany, Julia Parakkat, Deborah Burr, William S. Marras
Estimation of the dynamic spinal forces using a recurrent fuzzy neural network
IEEE Transactions on Systems, Man, and Cybernetics – Part B: Cybernetics, Volume 37, Issue 1, Pages 100-109
Yanfeng Hou, Jacek M. Zurada, Waldemar Karwowski, William S. Marras, Kermit Davis
Modification of an EMG-assisted biomechanical model for pushing and pulling
International Journal of Industrial Ergonomics, Volume, 37, Issues 11-12, Pages 825-831
Erich W. Theado, Gregory G. Knapik, William S. Marras
The effect of phone design on upper extremity discomfort and muscle fatigue
Human Factors, Volume 49, Issue 4, Pages 602-618
Anne-Marie Chany, William S. Marras, Deborah L. Burr
Low back pain recurrence in occupational environments
Spine, Volume 32, Issue 21, Pages 2387-2397
William S. Marras, Sue A. Ferguson, Deborah Burr, Pete Schabo, Anthony Maronitis
2006
Myofascial trigger point development from visual and postural stressors during computer work
Journal of Electromyography and Kinesiology, Volume 16, Pages 115-124
Delia E. Treaster, William S. Marras, Deborah Burr, James E. Sheedy, Dennis E. Hart.
Baggage handling in an airplane cargo hold: An ergonomic intervention study
International Journal of Industrial Ergonomics, Volume 36, Pages 301-312
Sahika Vatan Korkmaz, Jeff A. Hoyle, Gregory G. Knapik, Riley E. Splittstoesser, Gang Yang, David R. Trippany, Parul Lahoti, Carolyn M. Sommerich, Steven A. Lavender, William S. Marras
Prevention of work related musculoskeletal disorders
Proceedings of the Human Factors and Ergonomics Society 50th Annual Meeting
Sue A. Ferguson, Barbara Silverstein, Martin Cherniack, Arun Garg, Steven A. Lavender
A fuzzy relational rule network modeling of electromyographical activity of trunk muscles in manual lifting based on trunk angles, moments, pelvic tilt and rotation angles
International Journal of Industrial Ergonomics, Volume 36, Issue 10, Pages 847-859
Waldemar Karwowski, Adam Gaweda, William S. Marras, Kermit G. Davis, Jozef Zurada, David Rodrick
Does personality affect the risk of developing musculoskeletal disorders?
Theoretical Issues in Ergonomics Science, Volume 7, Issue 2, Pages 149-167
W. Gary Allread, William S. Marras
An exploratory study of loading and morphometric factors associated with specific failure modes in fatigue testing of lumbar motion segments
Clinical Biomechanics, Volume 21, Pages 228-234
Sean Gallagher, William S. Marras, Alan S. Litsky, Deborah L. Burr
Spine loading as a function of lift frequency, exposure duration, and work experience
Clinical Biomechanics, Volume 21, Issue 2, Pages 345-352
William S. Marras, Julia Parakkat, Anne-Marie Chany, Gang Yang, Deborah L. Burr, Steven A. Lavender
Changes in spine loading patterns throughout the workday as a function of experience, lift frequency and personality
The Spine Journal, Volume 6, Pages 296-305
Anne-Marie Chany, Julia Parakkat, Gang Yang, Deborah L. Burr, William S. Marras
2005
The effect of ergonomic interventions in healthcare facilities on musculoskeletal disorders
American Journal of Industrial Medicine, Volume 48, Pages 338-347
Kaori Fujishiro, Jean L. Weaver, Catherine A. Heaney, Christopher A. Hamrick, William S. Marras
The prediction of lumbar spine geometry: Method development and validation
Clinical Biomechanics, Volume 20, Pages 455-464
Naira Campbell-Kyureghyan, William S. Marras, Deborah Burr, Michael J. Jorgensen
Ergonomics, Volume 48, Issue 8, Pages 1031-1046
Kermit G. Davis, William S. Marras
The future of research in understanding and controlling work-related low back disorders
Ergonomics, Volume 48, Issue 5, Pages 464-477
William S. Marras
Functional impairment as a predictor of spine loading
Spine, Volume 30, Issue 7, Pages 729-737
William S. Marras, Sue. A. Ferguson, Deborah Burr, Kermit G. Davis, Purnendu Gupta
Torso flexion loads and the fatigue failure of human lumbrosacral motion segments
Spine, Volume 30, Issue 20, Pages 2265-2273
Sean Gallagher, William S. Marras, Alan S. Litsky, Deborah Burr
Differences among outcome measures in occupational low back pain
Journal of Occupational Rehabilitation, Volume 15, Issue 3, Pages 329-341
Sue A. Ferguson, William S. Marras, Deborah L. Burr
Workplace design guidelines for asymptomatic vs. low back injured workers
Applied Ergonomics, Volume 36, Issue 1, Pages 85-95.
Sue A. Ferguson, William S. Marras, Deborah L. Burr
Sagittal plane moment arms of the female lumbar region rectus abdominis in an upright neutral torso posture
Clinical Biomechanics, Volume 20, Issue 3, Pages 242-246
Michael J. Jorgensen, William S. Marras, Francis W. Smith, Malcom H. Pope
2004
Classification of jobs with risk of low back disorders by applying data mining techniques
Occupational Ergonomics, Volume 4, Issue 4, Pages 291-305
Jozef Zurada, Waldemar Karwowski, William S. Marras
Differences in motor recruitment and resulting kinematics between low back pain patients and asymptomatic participants during lifting exertions
Clinical Biomechanics, Volume 19, Issue 10, Pages 992-999
Sue A. Ferguson, William S. Marras, Deborah L. Burr, Kermit G. Davis, Purnendu Gupta
Revised protocol for the kinematic assessment of impairment
The Spine Journal, Volume 4, Issue 2, Pages 163-169
Sue A. Ferguson, William S. Marras
Spine loading in patients with low back pain during asymmetric lifting exertions
The Spine Journal, Volume 4, Issue 1, Pages 64-75
William S. Marras, Sue A. Ferguson, Deborah Burr, Kermit G. Davis, Purnendu Gupta
Physical demands and low-back injury risk among children and adolescents working on farms
Journal of Agricultural Safety and Health, Volume 10, Issue 4, Pages 257-274
W. Gary Allread, Jay R. Wilkins, Tom Waters, William S. Marras
The influence of individual low back health status on workplace trunk kinematics and risk of low back disorder
Ergonomics, Volume 47, Issue 11, Pages 1226-1237
Sue A. Ferguson, William S. Marras, Deborah L. Burr
State-of-the art research perspectives on musculoskeletal disorder causation and control: The need for an integrated understanding of risk
Journal of Electromyography and Kinesiology, Volume 14, Issue 1, Pages 1-5
William S. Marras
2003
Effect of torso flexion on the lumbar torso extensor muscle sagittal plane moment arms
The Spine Journal, Volume 3, Issue 5, Pages 363-369
Michael J. Jorgensen, William S. Marras, Purnendu Gupta, Thomas R. Waters
Cross-sectional area of the lumbar back muscles as a function of torso flexion
Clinical Biomechanics, Volume 18, Issue 4, Pages 280-286
Michael J. Jorgensen, William S. Marras, Purnendu Gupta, Thomas R. Waters
Validity and reliability of sincerity test for dynamic trunk motions
Disability and Rehabilitation, Volume 25, Issues 4-5, Pages 236-241
Sue A. Ferguson, Sean Gallagher, William S. Marras
A neuro-fuzzy model for estimating electromyographical activity of trunk muscles due to manual lifting
Ergonomics, Volume 46, Issues 1-3, Pages 285-309
Wookgee Lee, Waldemar Karwowski, William S. Marras, David Rodrick
The case for cumulative trauma in low back disorders
The Spine Journal, Volume 3, Issue 3, Pages 177-179
William S. Marras
Gender influences on spine loads during complex lifting
The Spine Journal, Volume 3, Issue 2, Pages 93-99
William S. Marras, Kermit G. Davis, Michael J. Jorgensen
Partitioning the contribution role of biomechanical, psychosocial, and individual risk factors in the development of spine loads
The Spine Journal, Volume 3, Issue 5, Pages 331-338
Kermit G. Davis, William S. Marras.
2002
Spinal loading when lifting from industrial storage bins
Ergonomics, Volume 45, Issue 6, Pages 399-414
Sue A. Ferguson, Laura L. Gaudes-MacLaren, William S. Marras, Thomas R. Waters, Kermit G. Davis
Spine loading as a function of gender
Spine, Volume 27, Issue 22, Pages 2514-2520
William S. Marras, Kermit G. Davis, Michael J. Jorgensen
Grip force and muscle activity differences due to glove type
AIHA Journal, Volume 63, Issue 3, Pages 269-274
Kimberly Kovacs, Riley Splittstoesser, Anthony Maronitis, William S. Marras
The impact of mental processing and pacing on spine loading
Volvo Award for Low Back Pain Research, Spine, Volume 27, Issue 23, Pages 2645-2653
Kermit P. Davis, William S. Marras, Catherine A. Heaney, Thomas R. Waters, Purnendu Gupta.
Effects of posture on dynamic back loading during a cable lifting task
Ergonomics, Volume 45, Issue 5, Pages 380-398
Sean Gallagher, William S. Marras, Kermit G. Davis, Kimberly Kovacs.
Kinematic contribution and synchronization of the trunk, hip, and knee during free-dynamic lifting
Occupational Ergonomics, Volume 3, Issue 2, Pages 99-103
Kermit G. Davis, Riley E. Splittstoesser, William S. Marras
A study of female Mexican anthropometric measures useful for workstation design in light manufacturing facilities
AIHA Journal, Volume 63, Issue 3, Pages 300-304
Steven A. Lavender, William S. Marras, R.J. Sabol
Biomechanical aspects of work-related musculoskeletal disorders
Theoretical Issues in Ergonomic Science, Volume 2, Issue 2, Pages 153-217
Robert G. Radwin, William S. Marras, Steven A. Lavender
2001
Female and male trunk geometry: Size and prediction of the spine loading trunk muscles derived from MRI
Clinical Biomechanics, Volume 16, Issue 1, Pages 38-46
William S. Marras, Michael J. Jorgensen, Kevin P. Granata, J. William Wiand
Quantification of trunk motion in response to complex platform perturbations while holding weights in an upright posture
Biomedical Engineering, Applications, Basis and Communications, Volume 13, Issue 1, Pages 33-46
Mohamad Parnianpour, Kaushik Ghosh, Kamran Barin, William S. Marras
Spine biomechanics, government regulation, and prevention of occupational low back pain
The Spine Journal, Volume 1, Issue 3, Pages 163-165
William S. Marras
Spine loading characteristics of patients with low back pain compared with asymptomatic individuals
Spine, Volume 26, Issue 23, Pages 2566-2574
William S. Marras, Kermit G. Davis, Sue A. Ferguson, Benjamin R. Lucas, Purnendu Gupta
Predicting recovery using continuous low back pain outcome measures
The Spine Journal, Volume 1, Issue 1, Pages 57-65
Sue A. Ferguson, Purnendu Gupta, William S. Marras, Catherine Heaney
Localized oxygen use of healthy and low back pain individuals during controlled trunk movements
Journal of Spinal Disorders, Volume 14, Issue 2, Pages 150-158
Kimberly M. Kovacs, William S. Marras, Alan S. Litsky, Purnendu Gupta, Sue A. Ferguson
A non-MVC EMG normalization technique for the trunk musculature: Part 1. Method development
Journal of Electromyography and Kinesiology, Volume 11, Issue 1, Pages 1-9
William S. Marras, Kermit G. Davis
A non-MVC EMG normalization technique for the trunk musculature: Part 2. Validation and use to predict spinal loads
Journal of Electromyography and Kinesiology, Volume 11, Issue 1, Pages 11-18
William S. Marras, Kermit G. Davis, Anthony B. Maronitis
MRI-derived moment-arms of the female and male spine loading muscles
Clinical Biomechanics, Volume 16, Issue 3, Pages 182-193
Michael J. Jorgensen, William S. Marras, Kevin P. Granata, J. William Wiand
2000
The influence of psychosocial stress, gender, and personality on mechanical loading of the lumbar spine
Spine, Volume 25, Issue 23, Pages 3045-3054
William S. Marras, Kermit G. Davis, Catherine A. Heaney, Anthony B. Maronitis, W. Gary Allread
Finger motion, wrist motion, and tendon travel as a function of keyboard angles
Clinical Biomechanics, Volume 15, Issue 7, Pages 489-498
John E. Nelson, Delia E. Treaster, William S. Marras
An assessment of alternate keyboards using finger motion, wrist motion, and tendon travel
Clinical Biomechanics, Volume, 15, Issue 7, Pages 499-503
Delia E. Treaster, William S. Marras
Cost-benefit of muscle cocontraction in protecting against spinal instability
Spine, Volume 25, Issue 11, Pages 1398-1404
Kevin P. Granata, William S. Marras
Measuring trunk motions in industry: Variability due to task factors, individual differences, and the amount of data collected
Ergonomics, Volume 43, Issue 6, Pages 691-701
W. Gary Allread, William S. Marras, Deborah L. Burr
Occupational low back disorder causation and control
Ergonomics, Volume 43, Issue 7, Pages 880-902
William S. Marras
Longitudinal quantitative measures of the natural course of low back pain recovery
Spine, Volume 25, Issue 15, Pages 1950-1956
Sue A. Ferguson, William S. Marras, Purnendu Gupta.
The effects of motion on trunk biomechanics
Clinical Biomechanics, Volume 15, Issue 10, Pages 703-717
Kermit G. Davis, William S. Marras
Assessment of the relationship between box weight and trunk kinematics: Does a reduction in box weight necessarily correspond to a decrease in spinal poading?
Human Factors, Volume 42, Issue 2, Pages 195-208
Kermit G. Davis, William S. Marras
An investigation of perceived exertion via whole body exertion and direct muscle force indicators during the determination of the maximum acceptable weight of lift
Ergonomics, Volume 43, Issue 2, Pages 143-159
Kermit G. Davis, Michael J. Jorgensen, William S. Marras
Prospective validation of a low-back disorder risk model and assessment of ergonomic interventions associated with manual materials handling tasks
Ergonomics, Volume 43, Issue 11, Pages 1866-1886
William S. Marras, W. Gary Allread, Deborah L. Burr, Fadi A. Fathallah
Effect of foot movement and an elastic lumbar back support on spinal loading during free-dynamic symmetric and asymmetric lifting exertions
Ergonomics, Volume 43, Issue 5, Pages 653-668
William S. Marras, Michael J. Jorgensen, Kermit G. Davis
The effect of lumbar back support tension on trunk muscle activity
Clinical Biomechanics, Volume 15, Issue 4, Pages 292-294
Michael J. Jorgensen, William S. Marras
Impairment magnification during dynamic trunk motions
Spine, Volume 25, Issue 5, Pages 587-595
William S. Marras, Karen E. K. Lewis, Sue A. Ferguson, Mohamad Parnianpour
1999
A comprehensive analysis of low-back disorder risk and spinal loading during the transferring and repositioning of patients using different techniques
Ergonomics, Volume 42, Issue 7, Pages 904-926
William S. Marras, Kermit G. Davis, Bryan C. Kirking, Patricia K. Bertsche
The quantification of low back disorder using motion measures: Methodology and validation
Spine, Volume 24, Issue 20, Pages 2091-2100
William S. Marras, Sue A. Ferguson, Purnendu Gupta, Smarajit Bose, Mohamad Parnianpour, Jung-Yong Kim, Robert R. Crowell
The effectiveness of commonly used lifting assessment methods to identify industrial jobs associated with elevated risk of low-back disorders
Ergonomics, Volume 42, Issue 1, Pages 229-245
William S. Marras, Larry J. Fine, Sue A. Ferguson, Thomas R. Waters
Significance of biomechanical and physiological variables during the determination of maximum acceptable weight of lift
Ergonomics, Volume 42, Issue 9, Pages 1216-1232
Michael J. Jorgensen, Kermit G. Davis, Bryan C. Kirking, Karen E.K. Lewis, William S. Marras
Variation in spinal load and trunk dynamics during repeated lifting exertions
Clinical Biomechanics, Volume 14, Issue 6, Pages 367-375
Kevin P. Granata, William S. Marras, Kermit G. Davis
Relation between spinal load factors and the high-risk probability of occupational low-back disorder
Ergonomics, Volume 42, Issue 9, Pages 1187-1199
Kevin P. Granata, William S. Marras
Regression models for predicting peak and continuous three-dimensional spinal loads during symmetric and asymmetric lifting tasks
Human Factors, Volume 41, Issue 3, Pages 373-388
Fadi A. Fathallah, William S. Marras, Mohamad Parnianpour
Variability in spine loading model performance
Clinical Biomechanics, Volume 14, Issue 8, Pages 505-514
William S. Marras, Kevin P. Granata, Kermit G. Davis
The effects of box features on spine loading during warehouse order selecting
Ergonomics, Volume 42, Issue 7, Pages 980-996
William S. Marras, Kevin P. Granata, Kermit G. Davis, W. Gary Allread, Michael J. Jorgensen
Spine loading and trunk kinematics during team lifting
Ergonomics, Volume 42, Issue 10, Pages 1258-1273
William S. Marras, Kevin P. Granata, Kermit G. Davis, Brian C. Kirking
1998
Spade design, lumbar motions, risk of low-back injury and digging posture
Occupational Ergonomics, Volume 1, Issue 3, Pages 157-172
Robert S. Bridger, Patrick J. Sparto, William S. Marras
Reduction of spinal loads through the use of handles
Ergonomics, Volume 41, Issue 8, Pages 1155-1168
Kermit G. Davis, William S. Marras, Thomas R. Waters
Trunk muscle activities during asymmetric twisting motions
Journal of Electromyography and Kinesiology, Volume 8, Issue 4, Pages 247-256
William S. Marras, Kermit G. Davis, Kevin P. Granata
The effect of electromyogram-force relationships and method of gain estimation on the predictions of an electromyogram-driven model of spinal loading
Spine, Volume 23, Issue 4, Pages 423-429
Patrick J. Sparto, Mohamad Parnianpour, William S. Marras, Kevin P. Granata, Tom E. Reinsel, Sheldon R. Simon
A method for developing biomechanical profiles of hand-intensive tasks
Clinical Biomechanics, Volume 13, Pages 261-271
Carolyn M. Sommerich, William S. Marras, Mohamad Parnianpour
An assessment of complex spinal loads during dynamic lifting tasks
Spine, Volume 23, Issue 6, Pages 706-716
Fadi A. Fathallah, William S. Marras, Mohamad Parnianpour
The role of complex, simultaneous trunk motions in the risk of occupationally-related low back disorders
Spine, Volume 23, Issue 9, Pages 1035-1042
Fadi A. Fathallah, William S. Marras, Mohamad Parnianpour
Spine loading during asymmetric lifting using one vs. two hands
Ergonomics, Volume 41, Issue 6, Pages 817-834
William S. Marras, Kermit G. Davis
Evaluation of spinal loading during lowering and lifting
Clinical Biomechanics, Volume 13, Issue 3, Pages 141-152
Kermit G. Davis, William S. Marras, Thomas R. Waters
1997
Biomechanical assessment of lifting dynamics, muscle activity and spinal loads while using three different styles of lifting belt
Clinical Biomechanics, Volume 12, Issue 2, Pages 107-115
William S. Marras, Kermit G. Davis, Bryan C. Kirking, Kevin P. Granata
A neural network-based system for classification of industrial jobs with respect to risk of low back disorders due to workplace design
Applied Ergonomics, Volume 28, Issue 1, Pages 49-58
Jozef Zurada, Waldemar Karwowski, William S. Marras
Spine loading during trunk lateral bending motions
Journal of Biomechanics, Volume 30, Issue 7, Pages 697-703
William S. Marras, Kevin P. Granata
The development of an EMG-assisted model to assess spine loading during whole-body free-dynamic lifting
Journal of Electromyography and Kinesiology, Volume 7, Issue 4, Pages 259-268
William S. Marras, Kevin P. Granata
A method for measuring external spinal loads during unconstrained free-dynamic lifting
Journal of Biomechanics, Volume 30, Issue 9, Pages 975-978
Fadi A. Fathallah, William S. Marras, Mohamad Parnianpour, Kevin P. Granata
A literature review of low back disorder surveillance measures and risk factors
Clinical Biomechanics, Volume, 12, Issue 4, Pages 211-226
Sue A. Ferguson, William S. Marras
Spine loading and probability of low back disorder risk as a function of box location on a pallet
International Journal of Human Factors in Manufacturing, Volume 7, Issue 4, Pages 323-336
William S. Marras, Kevin P. Granata, Kermit G. Davis, W. Gary Allread, Michael J. Jorgensen
Influence of lift moment in determining MAWL
Human Factors, Volume 39, Issue 2, Pages 312-322
Kermit G. Davis, Bryan C. Kirking, Laura L. Gaudes, Jaehwan Yang, William S. Marras
Neuromuscular trunk performance and spinal loading during a fatiguing isometric trunk extension with varying torque requirements
Journal of Spinal Disorders, Volume 10, Issue 2, Pages 145-156
Patrick J. Sparto, Mohamad Parnianpour, William S. Marras, Kevin P. Granata, Tom E. Reinsel, Sheldon R. Simon
Changes in trunk dynamics and spine loading during repeated trunk exertions
Spine, Volume 22, Issue 21, Pages 2564-2570
William S. Marras, Kevin P. Granata
An ergonomic comparison of industrial spray paint guns
International Journal of Industrial Ergonomics, Volume 19, Pages 425-435
Chi-Chang Lee, J. Eric Nelson, Kermit G. Davis, William S. Marras
The effect of complex dynamic lifting and lowering characteristics on trunk muscles recruitment
Journal of Occupational Rehabilitation, Volume 7, Issue 3, Pages 121-138
Fadi A. Fathallah, William S. Marras, Mohamad Parnianpour
Dynamic low back functional motion capacity evaluation
Journal of Occupational Rehabilitation, Volume 6, Issue 4, Pages 203-214
Sue A. Ferguson, William S. Marras, Robert R. Crowell
1996
Quantitative assessment of the control capability of the trunk muscles during oscillatory bending motion under a new experimental protocol
Clinical Biomechanics, Volume 11, Issue 7, Pages 385-391
Jung-Yong Kim, Mohamad Parnianpour, William S. Marras
Trunk kinematics of one-handed lifting and effects of asymmetry and load weight
Ergonomics, Volume 39, Issue 2, Pages 322-334
W. Gary Allread, William S. Marras, Mohamad Parnianpour
A method for measuring external loads during dynamic lifting exertions
Journal of Biomechanics, Volume 29, Issue 9, Pages 1219-1222
Kevin P. Granata, William S. Marras, Fadi A. Fathallah
Observations on the relationship between key strike force and typing speed
American Industrial Hygiene Association Journal, Volume 57, Pages 1109-1114
Carolyn M. Sommerich, William S. Marras, Mohamad Parnianpour
A quantitative description of typing biomechanics
Journal of Occupational Rehabilitation, Volume 6, Issue 1, Pages 33-55
Carolyn M. Sommerich, William S. Marras, Mohamad Parnianpour
Intra-abdominal pressure during trunk extension motions
Clinical Biomechanics, Volume 11, Issue 5, Pages 267-274
William S. Marras, Gary A. Mirka
1995
Quantification of wrist motions during scanning
Human Factors, Volume 37, Issue 2, Pages 412-423
William S. Marras, Richard W. Marklin, Gerald J. Greenspan, Katherine R. Lehman
The influence of trunk muscle coactivity upon dynamic spinal loads
Spine, Volume 20, Issue 8, Pages 913-919
Kevin P. Granata, William S. Marras
An EMG-assisted model of trunk loading during free-dynamic lifting
Journal of Biomechanics, Volume 28, Issue 11, Pages 1309-1317
Kevin P. Granata, William S. Marras
A biomechanical assessment and model of axial twisting in the thoracolumbar spine
Spine, Volume 20, Issue 13, Pages 1440-1451
William S. Marras, Kevin P. Granata
Biomechanical risk factors for occupationally related low back disorders
Ergonomics, Volume 38, Issue 2, Pages 377-410
William S. Marras, Steven A. Lavender, Sue E. Leurgans, Fadi A. Fathallah, W. Gary Allread, Sue A. Ferguson, Sudhakar L. Rajulu
The classification of anatomic and symptom-based low back disorders using motion measure models
Spine Volume 20, Issue 23, Pages 2531-2546
William S. Marras, Mohamad Parnianpour, Sue A. Ferguson, Jung-Yong Kim, Robert R. Crowell, Smarajit Bose, Sheldon R. Simon
Diurnal variation in trunk kinematics during a typical work shift
Journal of Spinal Disorders, Volume 8, Issue 1, Pages 20-25
Fadi A. Fathallah, William S. Marras, Patrick L. Wright
The effects of a temporal warning signal on the biomechanical preparations for sudden loading
Journal of Electromyography and Kinesiology, Volume 5, Issue 1, Pages 45-56
Steven A. Lavender, William S. Marras
1994
The effect of task asymmetry, age and gender on dynamic trunk motion characteristics during repetitive trunk flexion and extension in a large normal population
IEEE Transactions, Volume 2, Issue 3, Pages 137-146
William S. Marras, Mohamad Parnianpour, Jung-Yong Kim, Sue A. Ferguson, Robert R. Crowell, Sheldon R. Simon
The effects of mats on back and leg fatigue
Applied Ergonomics, Volume 25, Issue 1, Pages 29-34
Jung-Yong Kim, Carol Stuart-Buttle, William S. Marras
Industrial wrist motions and incidence of hand/wrist cumulative trauma disorders
Ergonomics, Volume 37, Issue 9, Pages 1449-1459
Richard W. Schoenmarklin, William S. Marras, Sue E. Leurgans
Dynamic biomechanical modelling of symmetric and asymmetric lifting tasks in restricted postures
Ergonomics, Volume 37, Issue 8, Pages 1289-1310
Sean Gallagher, Christopher A. Hamrick, Arnold C. Love, William S. Marras
The use of turnover rate as a passive surveillance indicator for potential low back disorders
Ergonomics, Volume 37, Issue 6, Pages 971-978
Steven A. Lavender, William S. Marras
1993
Anthropometry of industrial populations
Ergonomics, Volume 36. Issue 4, Pages 371-378
William S. Marras, Jung-Yong Kim
Occupational risk factors associated with soft tissue disorders of the shoulder: A review of recent investigations in the literature
Ergonomics, Volume 36, Issue 6, Pages 697-717
Carolyn M. Sommerich, James D. McGlothlin, William S. Marras
Wrist motions in industry
Ergonomics, Volume 36, Issue 4, Pages 341-351
William S. Marras, Richard W. Schoenmarklin
Dynamic capabilities of the wrist joint in industrial workers
International Journal of Industrial Ergonomics, Volume 11, Issue 3, Pages 207-224
Richard W. Schoenmarklin, William S. Marras
The development of response strategies in preparation for sudden loading to the torso
Spine, Volume 18, Issue 14, Pages 2097-2105
Steven A. Lavender, William S. Marras, R. Allen Miller
Electromyographic studies of the lumbar trunk musculature during the generation of low-level trunk acceleration
Journal of Orthopaedic Research, Volume 11, Issue 6, Pages 811-817
William S. Marras, Gary A. Mirka
Quantification and classification of low back disorders based on trunk motion
European Journal of Physical Medicine Vienna Physical Medicine Award 1993, Volume 3, Issue 6, Pages 218-235
William S. Marras, Mohamad Parnianpour, Sue A. Ferguson, Jung-Yong Kim, Robert R. Crowell, Sheldon R. Simon
A stochastic model of trunk muscle coactivation during trunk bending
Spine, Volvo Award for Low Back Pain Research, Volume 18, Issue 11, Pages 1396-1409
Gary A. Mirka, William S. Marras
An EMG-assisted model of loads on the lumbar spine during asymmetric trunk extensions
Journal of Biomechanics, Volume 26, Issue 12, Pages 1429-1438
Kevin P. Granata, William S. Marras
Dynamic measures of low back performance
American Industrial Hygiene Association Ergonomics Guide, ISBN 0-932627-52-8, Stock No. 174-ER-93
William S. Marras, James D. McGlothlin, Donald R. McIntyre, Margareta C. Nordin, Karl H.E. Kroemer
The role of dynamic three-dimensional trunk motion in occupationally-related low back disorders: The effects of workplace factors, trunk position, and trunk motion characteristics on risk of injury
Spine, Volume 18, Issue 5, Pages 617-628
William S. Marras, Steven A. Lavender, Sue E. Leurgans, Sudhakar L. Rajulu, W. Gary Allread, Fadi A. Fathallah, Sue A. Ferguson
1992
Accuracy of a three dimensional lumbar motion monitor for recording dynamic trunk motion characteristic
International Journal of Industrial Ergonomics, Volume 9, Issue 1, Pages 75-87
William S. Marras, Fadi A. Fathallah, Robert J. Miller, Shelby W. Davis, Gary A. Mirka
Temporal patterns of trunk muscle activity throughout a dynamic, asymmetric lifting motion
Human Factors, Volume 34, Issue 2, Pages 215-230
Carolyn M. Sommerich, William S. Marras
Quantification of back motion during asymmetric lifting
Ergonomics, Volume 35, Issues 7/8, Pages 845-859
Sue A. Ferguson, William S. Marras, Thomas R. Waters
A comprehensive evaluation of trunk response to asymmetric trunk motion
Spine, Volume 17, Issue 3, Pages 318-326
William S. Marras, Gary A. Mirka
Quantification of velocity coupling during asymmetric lifting
International Journal of Industrial Ergonomics, Volume 10, Pages 207-215.
Sue A. Ferguson, William S. Marras
1991
A model for the objective assessment of automobile restraint systems
International Journal of Industrial Ergonomics, Volume 8, Issue 1, Pages 59-65
William S. Marras
The effects of method of use, tool design, and roof height on trunk muscle activities during underground scaling bar use
Ergonomics, Volume 34, Issue 2, Pages 221-232
William S. Marras, Steven A. Lavender
A three dimensional motion model of loads on the lumbar spine, part I: Model structure
Human Factors, Volume 33, Issue 2, Pages 123-137
William S. Marras, Carolyn M. Sommerich
A three dimensional motion model of loads on the lumbar spine, part II: Model validation
Human Factors, Volume 33, Issue 2, Pages 139-149
William S. Marras, Carolyn M. Sommerich
1990
Lumbar motion response to a constant load velocity lift
Human Factors, Volume 32, Issue 4, Pages 493-501
Gary A. Mirka, William S. Marras
Interdisciplinary perspectives on mechanisms and management of low back pain
Rhode Island Medical Journal, January, Pages 21-31
David A. Ahern, Michael J. Follick, Phillip Lucas, John Parziale, William S. Marras, Dianne L. Wilkin, Steven Wolf
Three dimensional dynamic motor performance of the normal trunk
International Journal of Industrial Ergonomics, Volume 6, Issue 3, Pages 211-224
William S. Marras, Sue A. Ferguson, Sheldon R. Simon
An electromyographic analysis of an ergonomic intervention with the jack leg drill
Applied Ergonomics, Volume 21, Issue 2, Pages 90-100
Steven A. Lavender, William S. Marras
Muscle activities during asymmetric trunk angular accelerations
Journal of Orthopaedic Research, Volume 8, Issue 6, Pages 824-832
William S. Marras, Gary A. Mirka
Industrial electromyography
International Journal of Industrial Ergonomics, Volume 6, Issue 1, Pages 89-93
William S. Marras
On the measurement of human strength
International Journal of Industrial Ergonomics, Volume 6, Pages 199-210
Karl H.E. Kroemer, William S. Marras, James D. McGlothlin, Donald R. McIntyre, Margareta C. Nordin
1989
The effects of preview and task symmetry on trunk muscle response to sudden loading
Human Factors, Volume 31, Issue 1, Pages 101-115
Steven A. Lavender, Gary A. Mirka, Richard W. Schoenmarklin, Carolyn M. Sommerich, Sudhakar L. Rajulu, William S. Marras
Trunk strength during asymmetric trunk motion
Human Factors, Volume 31, Issue 6, Pages 667-677
William S. Marras, Gary A. Mirka
An experimental analysis of railroad spike maul methods
Human Factors, Volume 31, Issue 3, Pages 335-344
Beth A. Gray, William S. Marras
Effects of handle angle and work orientation on hammering: I. Wrist motion and hammering performance
Human Factors, Volume 31, Issue 4, Pages 397-411
Richard W. Schoenmarklin, William S. Marras
Effects of handle angle and work orientation on hammering: II. Muscle fatigue and subjective ratings of body discomfort
Human Factors, Volume 31, Issue 4, Pages 413-420
Richard W. Schoenmarklin, William S. Marras
SIMULIFT: A simulation model of human trunk motion during lifting
Spine, Volume 14, Issue 1, Pages 5-11
Charles H. Reilly, William S. Marras
1988
Networks of internal trunk loading activities under controlled trunk motion conditions
Spine, Volume 13, Issue 6, Pages 661-667
William S. Marras, Charles H. Reilly
Predictions of forces acting upon the lumbar spine under isometric and isokinetic conditions: A model-experiment comparison
International Journal of Industrial Ergonomics, Volume 3, Issue 1, Pages 19-27
William S. Marras
Risks of hand tool injury in U.S. underground mining from 1978 through 1983, part I: Coal mining
Journal of Safety Research, Volume 19, Pages 71-85
William S. Marras, Thomas G. Bobick, Steven A. Lavender, Thomas H. Rockwell, Robert L. Lundquist
Lifting in stooped and kneeling postures: Effects on lifting capacity, metabolic costs and electromyography of eight trunk muscles
International Journal of Industrial Ergonomics, Volume 3, Issue 1, Pages 65-76
Sean Gallagher, William S. Marras, Thomas G. Bobick
Risks of hand tool injury in U.S. underground mining from 1978 through 1983, part II: Metal-nonmetal mining
Journal of Safety Research, Volume 19, Pages 115-124
William S. Marras, Steven A. Lavender, Thomas G. Bobick, Thomas H. Rockwell, Robert L. Lundquist
1987
Trunk force development during static and dynamic lifts
Human Factors, Volume 29, Issue 1, Pages 19-29
William S. Marras, Sudhakar L. Rajulu, Patricia E. Wongsam
Measurement of seat and back pressure distributions
Human Factors, Volume 29, Issue 5, Pages 563-575
Delia Treaster, William S. Marras
Trunk motion during lifting: Temporal relations among loading factors
International Journal of Industrial Ergonomics, Volume 1, Issue 3, Pages 159-167
William S. Marras
Trunk loading and expectation
Ergonomics, Volume 30, Issue 3, Pages 551-562
William S. Marras, Sudhakar L. Rajulu, Steve A. Lavender
Quantitative trunk muscle electromyography during lifting at different speeds
International Journal of Industrial Ergonomics, Volume 1, Issue 3, Pages 219-229
Jung-Yong Kim, William S. Marras.
1986
Trunk motion during lifting: The relative cost
International Journal of Industrial Ergonomics, Volume 1, Issue 2, Pages 103-113
William S. Marras, Patricia E. Wongsam, Sudhakar L. Rajulu
An experimental evaluation of method and tool effects in spike maul use
Human Factors, Volume 28, Issue 3, Pages 267-281
William S. Marras, Thomas H. Rockwell
Flexibility and velocity of the normal and impaired lumbar spine
Archives of Physical Medicine and Rehabilitation, Volume 67, Pages 213-217
William S. Marras, Patricia E. Wongsam
An evaluation of tool design and method of use of railroad leverage tools on back stress and tool performance
Human Factors, Volume 28, Issue 3, Pages 303-315
Thomas H. Rockwell, William S. Marras
1985
The force-velocity relation and intra-abdominal pressure during lifting activities
Ergonomics, Volume 28, Issue 3, Pages 603-613
William S. Marras, Robert L. Joynt, Albert I. King
1984
Measurements of loads on the lumbar spine under isometric and isokinetic conditions
Spine, Volume 9, Issue 2, Pages 176-188
William S. Marras, Albert I. King, Robert L. Joynt
1981
Evaluation of maximal and submaximal static muscle exertions
Human Factors, Volume 23, Issue 6, Pages 643-654
Karl H.E. Kroemer, William S. Marras
1980
A method to evaluate human factors/ergonomics design variables of distress signals
Human Factors, Volume 22, Issue 4, Pages 389-400
William S. Marras, Karl H.E. Kroemer
Ergonomics of visual emergency signals
Journal of Applied Ergonomics, Volume 11, Issue 3, Pages 137-144
Karl H.E. Kroemer, William S. Marras
Towards an objective assessment of the "Maximal Voluntary Contraction" component in routine muscle strength measurements
European Journal of Applied Physiology, Volume 45, Pages 1-9
Karl H.E. Kroemer, William S. Marras