Peter Keir - McMaster Experts

Affiliations

Faculty of Science, McMaster University
Member, McMaster Institute for Research on Aging (MIRA), McMaster University
Professor, Kinesiology, Faculty of Science
Adjunct Professor, Graduate Programme in Kinesiology and Health Science, York University
Associate Professor, School of Kinesiology and Health Science, York University
Assistant Professor, School of Kinesiology and Health Science, York University
Lecturer, Human Biology and Nutritional Science, University of Guelph

Research Areas

Biomechanics (RA)
Civil engineering, industrial engineering, and related work (RA)
Environmental and occupational health and safety (RA)
Human biophysics (RA)
Human factor engineering (RA)
Kinesiology (RA)
Musculoskeletal health and human movements (RA)
Orthopaedics (RA)
Other human factor engineering, n.e.c. (RA)
Other medical and biomedical engineering, n.e.c. (RA)
Other musculator health and human movements, n.e.c. (RA)
Physical, environmental and cognitive ergonomics (RA)
Rehabilitation engineering (RA)
Rehabilitation sciences (RA)
Sport and exercise psychology (RA)

Scholarly Activity in McMaster Experts

Co-author Network

co-investigator network

Co-investigator Network

Scholarly Activity
Research
Teaching
Background
Contact
View All

selected scholarly activity

chapters
- Advances in Physical Ergonomics and Safety. 107-111. 2013
- Work and activity-related musculoskeletal disorders of the upper extremity. 345-358. 2007
conferences
- Comparison of Video-Based and Traditional Physical Demands Description Methods. Proceedings of the Human Factors and Ergonomics Society. 1169-1172. 2019
- Fatigue and Motor Unit Activation Are Determined by Neither Load Nor Time Under Tension During Resistance Exercise. The FASEB Journal. 2017
- Single‐vs. double‐leg cycling: lower cardiorespiratory demands and perceived effort for a greater relative power output. The FASEB Journal. 2017
- Knee Pain Intensity is Associated with Muscle Adiposity in the Whole Thigh and Hamstrings of Women with Knee Osteoarthritis. Journal of Rheumatology. 1149-1150. 2016
- The Relationship of Quadriceps and Hamstrings Intramuscular Fat and Lean Muscle with Power in Women with Knee Osteoarthritis.. Arthritis & Rheumatology. S91-S91. 2014
- Pathomechanics of Carpal Tunnel Syndrome. Medicine & Science in Sports & Exercise. S282-S282. 2005
- MRI of the Carpal Tunnel. Medicine & Science in Sports & Exercise. S287-S288. 2004
- MUSCULAR RESPONSE TO LIFTING WITHOUT KNOWLEDGE OF LOAD CENTER OF MASS. Medicine & Science in Sports & Exercise. S129-S129. 2001
- THE INFLUENCE OF LIFT ASSISTS ON MUSCLE ACTIVITY DURING PATIENT TRANSFERS. Medicine & Science in Sports & Exercise. S129-S129. 2001
- Comparison of Surface to Indwelling Extrinsic Finger Muscle EMG during use of Computer Pointing Devices. Proceedings of the Human Factors and Ergonomics Society. 541-545. 1998
- Applications of biomechanical hand and wrist models to work-related musculoskeletal disorders of the upper extremity. REPETITIVE MOTION DISORDERS OF THE UPPER EXTREMITY. 111-121. 1995
- Passive Force-Length Properties of Cadaveric Human Forearm Musculature. ADVANCES IN THE BIOMECHANICS OF THE HAND AND WRIST. 31-40. 1994
- MRI OF THE CARPAL-TUNNEL - IMPLICATIONS FOR CARPAL-TUNNEL SYNDROME. ADVANCES IN INDUSTRIAL ERGONOMICS AND SAFETY IV. 753-760. 1992
- Age and Sex Effects on Back and Shoulder Workplace Injuries in Canada and the United States
- Age and Sex Effects on Back and Shoulder Workplace Injuries in Canada and the United States.
- Distributed Load Effects on Internal Forces in the Hand and Forearm
- Distributed Load Effects on Internal Forces in the Hand and Forearm
- Measuring pressure on the hands and its effects on internal loading
- Validity of a markerless motion capture for the hands and fingers
- Work-Related Distal Upper Extremity Injuries in Canada 2000-2020
- “Subtle” kinematic changes during one-arm pulling and their Implications on upper extremity and trunk moments
journal articles
- Relative motion between the flexor digitorum superficialis tendon and subsynovial connective tissue is time dependent. Journal of Orthopaedic Research. 41:1661-1669. 2023
- Effects of sex and age on work-related upper extremity musculoskeletal disorders in Ontario, Canada. Work. 75:1009-1020. 2023
- Carpal tunnel tendon and sub-synovial connective tissue mechanics are affected by reduced venous return. Clinical Biomechanics. 107:106039-106039. 2023
- Muscle Architecture and Subcutaneous Fat Measurements of Rectus Femoris and Vastus Lateralis at Optimal Length Aided by a Novel Ultrasound Transducer Attachment. Physiotherapy Canada. Physiotherapie Canada. 75:74-82. 2023
- Neuromuscular control: from a biomechanist's perspective. Frontiers in Sports and Active Living. 5:1217009. 2023
- Investigating acute changes in osteoarthritic cartilage by integrating biomechanics and statistical shape models of bone: data from the osteoarthritis initiative. Magnetic Resonance Materials in Physics, Biology, and Medicine. 35:861-873. 2022
- Thirty Minutes of Sub-diastolic Blood Flow Occlusion Alters Carpal Tunnel Tissue Function and Mechanics. Ultrasound in Medicine and Biology. 48:1110-1121. 2022
- Assessment of Joint Angle and Reach Envelope Demands Using a Video-Based Physical Demands Description Tool. Human Factors. 64:568-578. 2022
- Equations to Prescribe Bicycle Saddle Height based on Desired Joint Kinematics and Bicycle Geometry. European Journal of Sport Science. 22:344-353. 2022
- Wrist Posture Estimation Differences and Reliability Between Video Analysis and Electrogoniometer Methods. Human Factors. 63:1284-1294. 2021
- Daily cumulative load and body mass index alter knee cartilage response to running in women. Gait and Posture. 88:192-197. 2021
- Investigating the Effects of Mental Fatigue on Resistance Exercise Performance. International Journal of Environmental Research and Public Health. 18:6794-6794. 2021
- Effect of Force, Posture, and Repetitive Wrist Motion on Intraneural Blood Flow in the Median Nerve. Journal of Ultrasound in Medicine. 40:939-950. 2021
- Ultrasound examination predicts 6‐month progression in carpal tunnel syndrome patients. Journal of Orthopaedic Research. 39:609-618. 2021
- Relationships and Mechanisms Between Occupational Risk Factors and Distal Upper Extremity Disorders. Human Factors. 63:5-31. 2021
- Hip and ankle kinematics are the most important predictors of knee joint loading during bicycling. Journal of Science and Medicine in Sport. 24:98-104. 2021
- Evaluating the relationship between quadriceps muscle quality captured using ultrasound with clinical severity in women with knee osteoarthritis. Clinical Biomechanics. 80:105165-105165. 2020
- Joint moment trade-offs across the upper extremity and trunk during repetitive work. Applied Ergonomics. 88:103142-103142. 2020
- External Compression and Partial Ischemia Decrease Human Finger Flexor Tendon and Subsynovial Connective Tissue Relative Motion. Journal of Orthopaedic Research. 38:1038-1044. 2020
- Blood flow velocity but not tendon mechanics relates to nerve function in carpal tunnel syndrome patients. Journal of the Neurological Sciences. 411:116694-116694. 2020
- Glenohumeral stabilizing roles of the scapulohumeral muscles: Implications of muscle geometry. Journal of Biomechanics. 100:109589-109589. 2020
- Modeling the effects of musculoskeletal geometry on scapulohumeral muscle moment arms and lines of action. Computer Methods in Biomechanics and Biomedical Engineering. 22:1311-1322. 2019
- Postural and muscular adaptations to repetitive simulated work. Ergonomics. 62:1214-1226. 2019
- Evaluation of a virtual reality head mounted display as a tool for posture assessment in digital human modelling software. Applied Ergonomics. 79:1-8. 2019
- Muscle fibre activation is unaffected by load and repetition duration when resistance exercise is performed to task failure. Journal of Physiology. 597:4601-4613. 2019
- Using EMG Amplitude and Frequency to Calculate a Multimuscle Fatigue Score and Evaluate Global Shoulder Fatigue. Human Factors. 61:526-536. 2019
- Muscular and kinematic adaptations to fatiguing repetitive upper extremity work. Applied Ergonomics. 75:250-256. 2019
- Diagnostic and Research Techniques in Carpal Tunnel Syndrome. Critical Reviews in Biomedical Engineering. 47:457-471. 2019
- The Effects of Lower Extremity Strengthening Delivered in the Workplace on Physical Function and Work-Related Outcomes Among Desk-Based Workers. Journal of Occupational and Environmental Medicine. 60:1005-1014. 2018
- Assessment of Musculoskeletal Disorder Risk with Hand and Syringe use in Chemotherapy Nurses and Pharmacy Assistants. IISE Transactions on Occupational Ergonomics and Human Factors. 6:128-142. 2018
- Upper body kinematic and muscular variability in response to targeted rotator cuff fatigue. Human Movement Science. 59:121-133. 2018
- Submaximal normalizing methods to evaluate load sharing changes in the shoulder during repetitive work. Journal of Electromyography and Kinesiology. 39:58-69. 2018
- Dynamic and static shoulder strength relationship and predictive model. Applied Ergonomics. 67:162-169. 2018
- Effect of wrist posture, rate of force development/relaxation, and isotonic contractions on finger force independence. Journal of Electromyography and Kinesiology. 38:215-223. 2018
- Development of an Ergonomic Tool to Predict Carpal Tunnel Syndrome Risk Based on Estimated Carpal Tunnel Pressure. IISE Transactions on Occupational Ergonomics and Human Factors. 6:32-42. 2018
- Grip Type Alters Maximal Pinch Forces in Syringe Use. Human Factors. 59:1088-1095. 2017
- Upper Extremity Muscle Activity During In-Phase and Anti-Phase Continuous Pushing Tasks. Human Factors. 59:1066-1077. 2017
- An open-source model and solution method to predict co-contraction in the finger. Computer Methods in Biomechanics and Biomedical Engineering. 20:1373-1381. 2017
- Physiological responses to incremental, interval, and continuous counterweighted single-leg and double-leg cycling at the same relative intensities. European Journal of Applied Physiology. 117:1423-1435. 2017
- Randomized Controlled Trial Investigating the Role of Exercise in the Workplace to Improve Work Ability, Performance, and Patient-Reported Symptoms Among Older Workers With Osteoarthritis. Journal of Occupational and Environmental Medicine. 59:550-556. 2017
- Reduced common carotid artery longitudinal wall motion and intramural shear strain in individuals with elevated cardiovascular disease risk using speckle tracking. Clinical Physiology and Functional Imaging. 37:106-116. 2017
- Effects of Wrist Posture and Fingertip Force on Median Nerve Blood Flow Velocity. BioMed Research International. 2017:1-8. 2017
- Lean muscle volume of the thigh has a stronger relationship with muscle power than muscle strength in women with knee osteoarthritis. Clinical Biomechanics. 41:92-97. 2017
- Optimized maximum voluntary exertion protocol for normalizing shoulder muscle activity. International Biomechanics. 4:9-16. 2017
- Major League Baseball pace-of-play rules and their influence on predicted muscle fatigue during simulated baseball games. Journal of Sports Sciences. 34:2054-2062. 2016
- Relative displacement of the tendon and subsynovial connective tissue using ultrasound captures different phenomena than mechanical tendon shear. Journal of Biomechanics. 49:3682-3687. 2016
- Adaptations to isolated shoulder fatigue during simulated repetitive work. Part I: Fatigue. Journal of Electromyography and Kinesiology. 29:34-41. 2016
- Adaptations to isolated shoulder fatigue during simulated repetitive work. Part II: Recovery. Journal of Electromyography and Kinesiology. 29:42-49. 2016
- Relative motion between the flexor digitorum superficialis tendon and paratenon in zone V increases with wrist flexion angle. Journal of Orthopaedic Research. 34:1248-1255. 2016
- Toward a realistic optoelectronic-based kinematic model of the hand: representing the transverse metacarpal arch reduces accessory rotations of the metacarpophalangeal joints. Computer Methods in Biomechanics and Biomedical Engineering. 19:639-647. 2016
- Combining Multiple Data Acquisition Systems to Study Corticospinal Output and Multi-segment Biomechanics. Journal of Visualized Experiments. 2016. 2016
- Posture and Loading in the Pathomechanics of Carpal Tunnel Syndrome: A Review. Critical Reviews in Biomedical Engineering. 44:397-410. 2016
- Neuromechanical control of the forearm muscles during gripping with sudden flexion and extension wrist perturbations. Computer Methods in Biomechanics and Biomedical Engineering. 18:1826-1834. 2015
- Development of a kinematic model to predict finger flexor tendon and subsynovial connective tissue displacement in the carpal tunnel. Ergonomics. 58:1398-1409. 2015
- Pathological changes in the subsynovial connective tissue increase with self-reported carpal tunnel syndrome symptoms. Clinical Biomechanics. 30:360-365. 2015
- Validation of Color Doppler Sonography for Evaluating Relative Displacement Between the Flexor Tendon and Subsynovial Connective Tissue. Journal of Ultrasound in Medicine. 34:679-687. 2015
- Biomechanical risk factors and flexor tendon frictional work in the cadaveric carpal tunnel. Journal of Biomechanics. 48:449-455. 2015
- The Response of the Shoulder Complex to Repetitive Work: Implications for Workplace Design. Critical Reviews in Biomedical Engineering. 43:21-32. 2015
- Cycle to cycle variability in a repetitive upper extremity task. Ergonomics. 57:1405-1415. 2014
- Effect of grip type, wrist motion, and resistance level on pressures within the carpal tunnel of normal wrists. Journal of Orthopaedic Research. 32:524-530. 2014
- Muscle Contributions to Elbow Joint Rotational Stiffness in Preparation for Sudden External Arm Perturbations. Journal of Applied Biomechanics. 30:282-289. 2014
- The influence of muscle action on joint loading during dynamic finger pressing tasks in an open-source modelling environment. International Journal of Human Factors Modelling and Simulation. 4:162-162. 2014
- Obtaining maximum muscle excitation for normalizing shoulder electromyography in dynamic contractions. Journal of Electromyography and Kinesiology. 23:1166-1173. 2013
- Repetitive differential finger motion increases shear strain between the flexor tendon and subsynovial connective tissue. Journal of Orthopaedic Research. 31:1533-1539. 2013
- Independence and control of the fingers depend on direction and contraction mode. Human Movement Science. 32:457-471. 2013
- The effect of high pass filtering and non-linear normalization on the EMG–force relationship during sub-maximal finger exertions. Journal of Electromyography and Kinesiology. 23:564-571. 2013
- Force, frequency and gripping alter upper extremity muscle activity during a cyclic push task. Ergonomics. 55:813-824. 2012
- Biomechanical properties of the transverse carpal ligament under biaxial strain. Journal of Orthopaedic Research. 30:757-763. 2012
- Posture and hand load alter muscular response to sudden elbow perturbations. Journal of Electromyography and Kinesiology. 22:191-198. 2012
- Targeted gripping reduces shoulder muscle activity and variability. Journal of Electromyography and Kinesiology. 22:186-190. 2012
- Carpal tunnel and transverse carpal ligament stiffness with changes in wrist posture and indenter size. Journal of Orthopaedic Research. 29:1682-1687. 2011
- Task rotation effects on upper extremity and back muscle activity. Applied Ergonomics. 42:814-819. 2011
- Tendon and nerve excursion in the carpal tunnel in healthy and CTD wrists. Clinical Biomechanics. 26:930-936. 2011
- Modelling tendon excursions and moment arms of the finger flexors: Anatomic fidelity versus function. Journal of Biomechanics. 44:1967-1973. 2011
- Continuous assessment of low back loads in long-term care nurses. Ergonomics. 53:1108-1116. 2010
- Continuous assessment of work activities and posture in long-term care nurses. Ergonomics. 53:1097-1107. 2010
- Reliability of Distal Upper Extremity Posture Matching Using Slow-Motion and Frame-by-Frame Video Methods. Human Factors. 52:441-455. 2010
- Effects of training and experience on patient transfer biomechanics. International Journal of Industrial Ergonomics. 40:282-288. 2010
- Effects of posture, movement and hand load on shoulder muscle activity. Journal of Electromyography and Kinesiology. 20:191-198. 2010
- Forearm posture and grip effects during push and pull tasks. Ergonomics. 53:336-343. 2010
- The effect of landmarks and bone motion on posture-related changes in carpal tunnel volume. Clinical Biomechanics. 24:708-715. 2009
- Constrained handgrip force decreases upper extremity muscle activation and arm strength. Ergonomics. 52:1144-1152. 2009
- Tai Chi workplace program for improving musculoskeletal fitness among female computer users. Work. 34:331-338. 2009
- Wrist and carpal tunnel size and shape measurements: Effects of posture. Clinical Biomechanics. 23:1112-1120. 2008
- Effect of wrist posture on carpal tunnel pressure while typing. Journal of Orthopaedic Research. 26:1269-1273. 2008
- Wrist Splint Effects on Muscle Activity and Force during a Handgrip Task. Journal of Applied Biomechanics. 24:298-303. 2008
- Effects of backrest design on biomechanics and comfort during seated work. Applied Ergonomics. 38:755-764. 2007
- Interfering effects of multitasking on muscle activity in the upper extremity. Journal of Electromyography and Kinesiology. 17:578-586. 2007
- Evaluating the Carpal Tunnel using MRI Based Modelling. Medicine & Science in Sports & Exercise. 39:S50-S51. 2007
- Guidelines for Wrist Posture Based on Carpal Tunnel Pressure Thresholds. Human Factors. 49:88-99. 2007
- Evaluation of the carpal tunnel based on 3-D reconstruction from MRI. Journal of Biomechanics. 40:2222-2229. 2007
- An MRI evaluation of carpal tunnel dimensions in healthy wrists: Implications for carpal tunnel syndrome. Clinical Biomechanics. 21:816-825. 2006
- Prediction of forearm muscle activity during gripping. Ergonomics. 49:1121-1130. 2006
- Evaluation of carpal tunnel mechanics using a three-dimensional computerized model. Journal of Biomechanics. 39:S51-S51. 2006
- Interfering effects of the task demands of grip force and mental processing on isometric shoulder strength and muscle activity. Ergonomics. 48:1749-1769. 2005
- The development and validation of equations to predict grip force in the workplace: contributions of muscle activity and posture. Ergonomics. 48:1243-1259. 2005
- Pathomechanics of Carpal Tunnel Syndrome. Medicine & Science in Sports & Exercise. 37:S282-S282. 2005
- Pathomechanics of Peripheral Nerve Loading. Journal of Hand Therapy. 18:259-269. 2005
- MRI of the Carpal Tunnel. Medicine & Science in Sports & Exercise. 36:S287???S288-S287???S288. 2004
- Muscle activity during patient transfers: a preliminary study on the influence of lift assists and experience. Ergonomics. 47:296-306. 2004
- Trunk muscle response to lifting unbalanced loads with and without knowledge of centre of mass. Clinical Biomechanics. 18:712-720. 2003
- The effects of posture on forearm muscle loading during gripping. Ergonomics. 46:956-975. 2003
- A NEW NOMOGRAM FOR ESTIMATING PEAK LEG POWER OUTPUT IN THE VERTICAL JUMP. Medicine & Science in Sports & Exercise. 35:S339-S339. 2003
- Crosstalk in surface electromyography of the proximal forearm during gripping tasks. Journal of Electromyography and Kinesiology. 13:63-71. 2003
- Technical-Methodological Report: A Nomogram for Peak Leg Power Output in the Vertical Jump. Journal of Strength and Conditioning Research. 17:701-701. 2003
- The Effect of Typing Posture on Wrist Extensor Muscle Loading. Human Factors. 44:392-403. 2002
- ASSESSING COMMON FUNCTION IN FOREARM MUSCLES. Medicine & Science in Sports & Exercise. 34:S117-S117. 2002
- Magnetic Resonance Imaging as a Research Tool for Biomechanical Studies of the Wrist. Seminars in Musculoskeletal Radiology. 05:241-250. 2001
- Canadian Musculoskeletal Fitness Norms. Applied Physiology, Nutrition and Metabolism. 25:430-442. 2000
- Flexor muscle incursion into the carpal tunnel: a mechanism for increased carpal tunnel pressure?. Clinical Biomechanics. 15:301-305. 2000
- Changes in geometry of the finger flexor tendons in the carpal tunnel with wrist posture and tendon load: an MRI study on normal wrists. Clinical Biomechanics. 14:635-645. 1999
- Effects of computer mouse design and task on carpal tunnel pressure. Ergonomics. 42:1350-1360. 1999
- Effects of finger posture on carpal tunnel pressure during wrist motion. Journal of Hand Surgery-American Volume. 23:1004-1009. 1998
- Fingertip loading and carpal tunnel pressure: Differences between a pinching and a pressing task. Journal of Orthopaedic Research. 16:112-115. 1998
- The effects of tendon load and posture on carpal tunnel pressure. Journal of Hand Surgery-American Volume. 22:628-634. 1997
- Effects of static fingertip loading on carpal tunnel pressure. Journal of Orthopaedic Research. 15:422-426. 1997
- Passive properties of the forearm musculature with reference to hand and finger postures. Clinical Biomechanics. 11:401-409. 1996
- Passive stiffness and estimated Lo of forearm musculature. Journal of Biomechanics. 27:642-642. 1994
- Work-Related Upper Extremity and Back Injury Claims across Canada from 2000-2019. Canadian Journal of Public Health. SUBMITTED.
- Work-Related Upper Extremity and Back Injury Claims across Canada from 2000-2019
- Work-Related Upper Extremity and Back Injury Claims across Canada from 2000-2019. Canadian Journal of Public Health.
preprints
- Investigating the effects of mental fatigue on resistance exercise performance 2021
presentations
- Characteristics of Work-Related Musculoskeletal Upper Extremity Injury Claims Across Canada From 2000-2019 2023
- Mechanisms of Upper Extremity Work-related Disorders. 2023