Peter
Keir
Professor, Kinesiology
- Contact Information
- PHONE: 905-525-9140 ext. 23543
- EMAIL: pjkeir
Affiliations
- Faculty of Science, McMaster University
- Member, McMaster Institute for Research on Aging (MIRA), McMaster University
- Kinesiology (Internal), Faculty of Science
- 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)
- Affiliation
- Scholarly Activity
- Teaching
- Background
- Contact
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Affiliation
Scholarly Activity
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
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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
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journal articles
- Effects of wrist and finger posture on finger independence.. Journal of Electromyography and Kinesiology. 79:102941. 2024
- 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.
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preprints
-
presentations
Teaching
teaching activities
- Advances in Biomechanics and Electromyography - KINESIOL 722, Instructor 2024
- Directed Readings in Kinesiology - KINESIOL 713, Instructor 2024
- Ergonomics I: Workplace Injury Risk Assessment - KINESIOL 3N03, Instructor 2024
- Advances in Biomechanics and Electromyography - KINESIOL 722, Instructor 2024
- Individual Research Study in Selected Topics - KINESIOL 702, Instructor 2023
- Individual Research Study in Selected Topics - KINESIOL 702, Instructor 2022
- Ergonomics I: Workplace Injury Risk Assessment - KINESIOL 3N03, Instructor 2022
- Advances in Biomechanics and Human Movement Analyses - KINESIOL 708, Instructor 2022
- Ergonomics I: Workplace Injury Risk Assessment - KINESIOL 3N03, Instructor 2021
- Advances in Biomechanics and Human Movement Analyses - KINESIOL 708, Instructor 2021
- Ergonomics I: Workplace Injury Risk Assessment - KINESIOL 3N03, Instructor 2020
- Individual Research Study in Selected Topics - KINESIOL 702, Instructor 2020
- Advances in Biomechanics and Human Movement Analyses - KINESIOL 708, Instructor 2020
- Clinical Biomechanics - KINESIOL 4GG3, Instructor 2020
- Individual Research Study in Selected Topics - KINESIOL 702, Instructor 2019
- Ergonomics I: Workplace Injury Risk Assessment - KINESIOL 3N03, Instructor 2019
- Directed Readings in Kinesiology - KINESIOL 713, Instructor 2019
- Clinical Biomechanics - KINESIOL 4GG3, Instructor 2019
- Advances in Biomechanics and Human Movement Analyses - KINESIOL 708, Instructor 2018
- Ergonomics I: Workplace Injury Risk Assessment - KINESIOL 3N03, Instructor 2018
- Clinical Biomechanics - KINESIOL 4GG3, Instructor 2018
- Ergonomics I: Workplace Injury Risk Assessment - KINESIOL 3N03, Instructor 2018
- Advances in Biomechanics and Human Movement Analyses - KINESIOL 708, Instructor 2017
Background
education and training
- Ph.D, University of Waterloo 1995
- BSc Honours Kinesiology, University of Waterloo 1989
- University of California San Francisco/Berkeley , Microsoft Postdoctoral Fellow 1995 - 1997
Contact
full name
- Peter Keir