Dr. Michelle Porter
Professor, Director, Centre on Aging
338 Isbister Building
Faculty of Kinesiology and Recreation Management
Winnipeg, Manitoba, R3T 2N2
Phone: (204) 474-8795
E-mail: michelle.porter@umanitoba.ca

 

Education:

  • Ph.D. (Kinesiology) - University of Western Ontario 1996
  • M.Sc. (Community Health) Exercise Science - University of Toronto 1989
  • B.P.H.E. (Physical Education) - Laurentian University 1987

Research Interests:

  • Mobility and Aging
  • Driving and aging
  • Neuromuscular adaptations with aging
  • Strength training
  • Functional changes with aging and training

Michelle Porter’s Publications on Scopus

Recent Publications:


P. Sukhawathanakul, H. Tuokko, R. Rhodes, S. Marshall, J. Charlton, S. Koppel, I. Gélinas, G. Naglie, B. Mazer, B. Vrkljan, A. Myers, M. Man-Son-Hing, M. Bédard, M. Rapoport, N. Korner-Bitensky, M. Porter.  Measuring driving-related attitudes among older adults: Psychometric evidence for the Decisional Balance Scale across time and gender.  The Gerontologist, accepted May 2015.

G.A. Smith, M.M. Porter, A.W. Cull, B. Mazer, A.M. Myers, G. Naglie, M. Bédard, H. Tuokko, B. Vrkljan, I. Gélinas, S.C. Marshall, M. Rapoport.  Seasonal and weather effects on older adults’ driving trip distances.  Canadian Journal on Aging (special issue), accepted March 2015.

Rapoport, M.J., Sukhawathanakul, P., Naglie, G., Tuokko, H., Myers, A., Crizzle, A., Korner-Bitensky, N., Vrkljan, B., Bedard, M., Porter, M.M., Mazer, B., Gelinas, I., Man-Son-Hing, M., Marshall, S.  Is cognitive performance associated with older adults’ driving behaviors and attitudes over time?  Canadian Journal on Aging, accepted March 2015.

M.M. Porter.  Programs for improving the safety of older drivers.  Canadian Geriatrics Society Journal of CME, 5(1): 32-34, 2015. (Invited review)

P. Rajan, M.M. Porter.  Velocity during strength and power training of the ankle plantar and dorsiflexor muscles in older patients attending day hospital rehabilitation. Rehabilitation Research and Practice, Vol. 2015, Article ID 586843, 6 pages, doi:10.1155/2015/586843, 2015.

J.L. Parsons, M.M. Porter.  Reliability of measuring hip and knee power and movement velocity in active youth.  Pediatric Physical Therapy, 27(1):82-9, 2015.

M.M. Porter, G.A. Smith, A.W. Cull, A.M. Myers, M. Bédard, I. Gélinas, B.L. Mazer, S.C. Marshall, G. Naglie, M.J. Rapoport, H.A. Tuokko, B.H. Vrkljan.  Older driver estimates of driving exposure compared to in-vehicle data in the Candrive II study.  Traffic Injury Prevention 16(1):24-27, 2015.

A. Jouk, H. Tuokko, A. Myers, S. Marshall, M. Man-Son-Hing, M.M. Porter, M. Bédard, I. Gélinas, B. Mazer, G. Naglie, M. Rapoport, B. Vrkljan, on behalf of the Candrive II Research Team.  Psychosocial constructs and self-reported driving restriction in the Candrive II older adult baseline cohort.  Transportation Research Part F 27(PA), 1-10, 2014.

H. Tuokko, A. Jouk, A. Myers, S. Marshall, M. Man-Son-Hing, M.M. Porter, M. Bédard, I. Gélinas, N. Korner-Bitensky, B. Mazer, G. Naglie, M. Rapoport, B. Vrkljan, on behalf of the Candrive II Research Team.  A re-examination of driving-related attitudes and readiness to change driving behavior in older adults.  Physical & Occupational Therapy in Geriatrics 32(3):210-227, 2014.

H. Tuokko, A. Jouk, A. Myers, S. Marshall, M. Man-Son-Hing, M.M. Porter, M. Bédard, I. Gélinas, N. Korner-Bitensky, B. Mazer, G. Naglie, M. Rapoport, B. Vrkljan on behalf of the Candrive II. A Re-examination of Driving-Related Attitudes and Readiness to Change Driving Behavior in Older Adults.  Physical & Occupational Therapy in Geriatrics, accepted June 2014.

M.M. Porter, G.A. Smith, A.W. Cull, A.M. Myers, M. Bédard, I. Gélinas, B.L. Mazer, S.C. Marshall, G. Naglie, M.J. Rapoport, H.A. Tuokko, B.H. Vrkljan.  Older driver estimates of driving exposure compared to in-vehicle data in the Candrive II study.  Traffic Injury Prevention, accepted February 2014.

M. Bédard, S. Marshall, M. Man-Son-Hing, B. Weaver, I. Gélinas, N. Korner-Bitensky, B. Mazer, G. Naglie, M.M. Porter, M.J. Rapoport, H. Tuokko, B. Vrkljan.   We are not ready to screen older drivers with the SIMARD-MD. Accident Analysis and Prevention, Special Issue 61:317-321, 2013..

M.J. Rapoport, G. Naglie, K. Weegar, A. Myers, D. Cameron, A. Crizzle, N. Korner-Bitensky, H. Tuokko, B. Vrkljan, M. Bédard, M.M. Porter, B. Mazer, I. Gelinas, M. Man-Son-Hing, S. Marshall.    The relationship between cognitive performance, perceptions of driving comfort and abilities, and self-reported driving restrictions among healthy older drivers.  Accident Analysis and Prevention, Special Issue 61:288-295, 2013.

A. Woolnough, D. Salim; S.C. Marshall, K. Weegar, M.M. Porter, M.J. Rapoport, M. Man-Son-Hing, M. Bédard, I. Gélinas, N. Korner- Bitensky, B. Mazer, G. Naglie, H. Tuokko, B. Vrkljan.  Determining the validity of the AMA guide: A retrospective analysis of the Assessment of Driving Related Skills and crash rate among older drivers. Accident Analysis and Prevention, Special Issue 61:311-316, 2013.

Z. Vlahodimitrakou, J.L. Charlton, J. Langford, S. Koppel, M. di Stefano, W. Macdonald, B. Mazer, I. Gélinas, B. Vrkljan; M.M. Porter, G.A. Smith; A. Cull; S. Marshall. Development and evaluation of a Driving Observation Schedule (DOS) to study everyday driving performance of older driversAccident Analysis and Prevention, Special Issue 61: 253-260, 2013.

A.J. Hickey, K. Weegar, Y. Kadulina, S. Gagnon, S. Marshall, A. Myers, H. Tuokko, M. Bédard, I. Gélinas, M. Man-Son-Hing, B. Mazer, G. Naglie, M. Porter, M. Rapoport & B. Vrkljan for the Candrive Research Team.  The Impact of Subclinical Sleep Problems on Self-Reported Driving Patterns and Perceived Driving Abilities in a Cohort of Active Older Drivers. Accident Analysis and Prevention, Special Issue Special Issue 61:281-287, 2013.

H. Tuokko, A. Myers, A. Jouk, S. Marshall, M. Man-Son-Hing, M.M. Porter, M. Bédard, I. Gélinas, N. Korner-Bitensky, B. Mazer, G. Naglie, M. Rapoport, B. Vrkljan. Associations between Age, Gender, Psychosocial and Health Characteristics in the Candrive Study Common Cohort. Accident Analysis and Prevention, Special Issue Special Issue 61:245-252, 2013.
 
J. Zhan, B. Vrkljan, M.M. Porter, J. Polgar.  Older drivers’ opinions of criteria that inform the cars they buy: A focus group study. Accident Analysis and Prevention, Special Issue 61:281-287, 2013.

Marshall, S.C., Man-Son-Hing, M., Bédard, M., Porter, M.M., Charlton, J., Gagnon, S., Gélinas, I., Koppel, S., Korner-Bitensky, N., Langford, J., Mazer, B., Myers, A., Naglie, G., Polgar, J., Rapoport, M., Tuokko, H., Vrkljan, B., Woolnough, A.  Protocol for Candrive II/Ozcandrive, a multicentre prospective older driver cohort study. Accident Analysis and Prevention, Special Issue 61:245-252, 2013.

Smith, Andrew James John, Marshall, S.C., Porter, M.M., Ha, L., Bédard, M., Gélinas, I., Man-Son-Hing, M., Mazer, B., Rapoport, M., Tuokko, H., Vrkljan, B., Stability of physical assessment of older drivers over 1 year. Accident Analysis and Prevention, Special Issue 61:261-266, 2013.

M.M. Porter., S.C. Marshall, M. Bédard. Letter to the Editor regarding "Physicans' warning for unfit drivers and risk of road crashes." New England Journal of Medicine 368(1): 87, 2013.

M.M. Porter. Older driver training using video and global positioning system (GPS) technology - A randomized controlled trial. Journals of Gerontology: Medical Sciences 68(5):574-80, 2013.

H. Murray, J. Wharf Higgins, V. Temple, H. Tuokko, M. Porter and Ryan E. Rhodes.  Measurement of dog walking behaviour: strengths and weaknesses of various methods.  Health and Fitness Journal of Canada 5(1):16-26, 2012.
 
M.M. Porter and S.C. Webber. Mobility and Health. Encylopedia of Lifestyle Medicine and Health, Editor James M. Rippe, Sage Publications, Inc., Thousand Oaks, CA, USA, 2012.

G.A. Smith, A.W. Cull, R. Mence, J. Charlton, J. Langford, S. Koppel, M.M. Porter.  The use of a naturalistic driving route for characterizing older drivers. Canadian Multidisciplinary Road Safety Conference. June 2012, Banff, Alberta.

Porter, M.M., Tuokko H.A.  An evaluation of the the Roadwise Review: A mixed methods approach.  Traffic Injury Prevention, 12(5):451-8, 2011.

M. Bédard, B. Weaver, M. Man-Son-Hing, S. Classen and M. Porter. The SIMARD screening tool to identify unfit drivers: Are we there NOW? Journal of Primary Care and Community Health, 2(2):133-135, 2011.

M.M. Porter. The validity of selected elements from the Roadwise Review CD-ROM.  Transportation Research Board Meeting, Washington, DC, 2011.

S.C. Webber, M.M. Porter. Reliability of ankle isometric, isotonic, and isokinetic strength and power testing in older women. Physical Therapy 90(8):1165-1175, 2010.

S.C. Webber, M.M. Porter, V.H. Menec. Mobility in older adults: A comprehensive framework. The Gerontologist 50(4):443-450, 2010.

L.L. DeMelo, V. Menec, M.M. Porter, A.E. Ready. Personal factors, perceived environment and objectively measured walking in old age. Journal of Aging and Physical Activity 18(3):280-292, 2010.

S.C. Webber, M.M. Porter. Effects of ankle power training on movement time in mobility-impaired older women. Medicine and Science in Sports and Exercise. 42(7):1233-1240, 2010.

J.B. Dear, M.M. Porter, and A.E. Ready. Energy expenditure during golfing and lawn mowing in older adult men. Journal of Aging and Physical Activity 18(2): 185-200, 2010.

R.A. Blanchard, A.M. Myers, M.M. Porter. Correspondence between self-reported and objective measures of driving exposure and patterns in older drivers. Accident Analysis & Prevention 42(2):523-529, 2010.

S.C. Webber, M.M. Porter, P.F. Gardiner. Modeling age-related neuromuscular changes in humans. Applied Physiology Nutrition and Metabolism 34(4):732-734, 2009.

S.C. Webber, M.M. Porter. Monitoring mobility in older adults using global positioning system (GPS) watches and accelerometers: a feasibility study. Journal of Aging and Physical Activity 17(4):455-467, 2009.

D. Benoit, I. Gélinas, B. Mazer, M.M. Porter, and J. Duquette. Drivers' Perceived Workload When Driving Using Adaptive Equipment: A Pilot Study, Physical & Occupational Therapy In Geriatrics 27(4):277-297, 2009.

M.M. Porter, P. Irani, T.A. Mondor. The effect of auditory alerts on brake response times in younger and older male drivers - a simulator study. Transportation Research Record 2069:41-47, 2008.

A.M. Myers, R.A. Blanchard, L. MacDonald, M.M. Porter. Process Evaluation of the AAA Roadwise Review CD-ROM™: Observed and Reported Experiences of Older Drivers. Topics in Geriatric Rehabilitation 24(3):224-238, 2008.

M. Bédard, B. Weaver, P. D rzi š, M.M. Porter. Predicting driving performance in older adults: We are not there yet! Traffic Injury Prevention 9(4):336-341, 2008.

M. Bédard, M.M. Porter, S. Marshall, I. Isherwood, J. Riendeau, B. Weaver, H. Tuokko, F. Molnar, J. Miller-Polgar. The combination of two training approaches to improve older adults' driving safety. Traffic Injury Prevention 9(1):70-76, 2008.

J. Montufar, J. Arango, M.M. Porter, S Nakagawa. The normal walking speed of pedestrians and how fast they walk when crossing the street. Transportation Research Record 2002:90-97, 2007.

S.C. Marshall, J.M. Molnar, M. Man-Son-Hing, K.G. Wilson, I. Stiell, M.M. Porter. Measurement of driving patterns of older adults using data logging devices with and without global positioning system capability. Traffic Injury Prevention 8(3):260-266, 2007.

M.M. Porter, , J. Montufar, M.G. Melnyk. Video and GPS technology use for road safety analysis. ITE Journal on the Web 76(6):2006.

M.M. Porter. Power Training for Older Adults. Applied Physiology, Nutrition and Metabolism 31:87-94, 2006.

E. Simoneau, A. Martin, M.M. Porter, J. Van Hoecke. Strength training in old age: adaptation of antagonist muscles at the ankle joint. Muscle & Nerve 33:546-555, 2006.

K.D. Huebner, M.M. Porter, S.C. Marshall. Validation of an electronic device for measuring driving exposure. Traffic Injury Prevention 7:76-80, 2006. (Supplementary tables and figures - PDF)

J. Peeler, J. Cooper, M.M. Porter, J.A. Thliveris, J.E. Anderson. Structural parameters of the vastus medialis muscle. Clinical Anatomy 18:281-289, 2005.

M.M. Porter, M.J. Whitton, D.J. Kriellaars. Assessing driving with the global positioning system - effect of differential correction. Transportation Research Record 1899: 19-26, 2004.

S.J. Lee, B. Naimark, M.M. Porter, A.E. Ready. Effects of long-term community based cardiac rehabilitation program on middle aged and elderly cardiac patients. The American Journal of Geriatric Cardiology 13: 293-298, 2004.

X. Jiang, J. Cooper, M.M. Porter, A.E. Ready. Adoption of Canada’s physical activity guide and handbook for older adults: impact on functional fitness and energy expenditure. Canadian Journal of Applied Physiology 29: 395-410, 2004.

A.M. Holmbäck, M.M. Porter, D.Y. Downham, J.Lexell. Isokinetic strength measurements, muscle cross-sectional area and fibre type composition of the ankle dorsiflexors in young healthy men and women. Journal of Applied Physiology 285: 2416-2424, 2003.

M.M. Porter, M. Andersson, U. Hellström, M. Miller. Passive resistive torque of the plantar flexors following eccentric loading as assessed by isokinetic dynamometry. Canadian Journal of Applied Physiology 27:612-617, 2002.

A. Jaworowski, M.M. Porter, A.M. Holmback, D. Downham, J. Lexell J. Enzyme activities in the tibialis anterior muscle of young moderately active men and women: relationship with body composition, muscle cross-sectional area and fibre type composition. Acta Physiologica Scandinavica 176: 215-225, 2002.

M.M. Porter, C.W. Koolage, J. Lexell. Biopsy sampling requirements for the estimation of muscle capillarization. Muscle & Nerve 26:546-548, 2002.

M.M. Porter, M.J. Whitton. Assessment of driving with the global positioning system and video technology in young, middle-aged, and older drivers. Journals of Gerontology: Medical Sciences 57:M578-M582, 2002.

M.M. Porter, M.E. Nelson, M.A. Fiatarone, J.E. Layne, C.M. Morganti, I. Trice, C.D. Economos, R. Roubenoff. Effects of long-term resistance training and detraining on strength and physical activity in older women. Journal of Aging and Physical Activity 10:260-270, 2002.

M.M. Porter, A.M. Holmbäck, J. Lexell. Reliability of concentric ankle dorsiflexion fatigue testing. Canadian Journal of Applied Physiology 27:116-127, 2002.

M.M. Porter, S. Stuart, M. Boij, J. Lexell. Capillarization of the tibialis anterior muscle of young healthy men and women. Journal of Applied Physiology 92:1451-1457, 2002.

M.M. Porter. The effects of strength training on sarcopenia. Canadian Journal of Applied Physiology. 26:123-141, 2001 (Invited review).

A.M. Holmbäck, M.M. Porter, D. Downham, J. Lexell. Ankle dorsiflexor muscle performance in healthy young men and women: reliability of eccentric peak torque and work measurements. Journal of Rehabilitation Medicine 33:90-96, 2001.

M.M. Porter. Resistance training recommendations for older adults. Topics in Geriatric Rehabilitation 15:60-69, 2000. (Invited review)

 

 

  • Neuromuscular adaptations with aging
  • Strength training
  • Functional changes with aging and training
  • Driving and aging