• Modeling age-related neuromuscular changes in humans 

  Webber, Sandra C.; Porter, Michelle M.; Gardiner, Phillip, F. (NRC Research Press, 2009-08)

  With aging, motoneurons and muscle tissue undergo significant changes, which influence function in terms of strength, mobility, and overall independence. Mathematical modeling provides a practical method of studying the ...

• Accuracy of Thresholds Based on Cadence and Lifestyle Counts per Minute to Detect Outdoor Walking in Older Adults With Mobility Limitations 

  Webber, Sandra C.; Hahn, Francine; Lix, Lisa M.; Tittlemier, Brenda J.; Salbach, Nancy M.; Barclay, Ruth (Human Kinetics, Inc., 2020-05)

  To determine the optimal threshold, based on cadence and lifestyle counts per minute, to detect outdoor walking in mobility-limited older adults. Methods: Older adults (N = 25, median age: 77.0 years, interquartile range: ...

• Monitoring Mobility in Older Adults Using Global Positioning System (GPS) Watches and Accelerometers: A Feasibility Study 

  Webber, Sandra C.; Porter, Michelle M. (Human Kinetics, Inc., 2009-10)

  This exploratory study examined the feasibility of using Garmin global positioning system (GPS) watches and ActiGraph accelerometers to monitor walking and other aspects of community mobility in older adults. After ...

• An Evaluation of the Roadwise Review: A Mixed Methods Approach 

  Porter, Michelle M.; Tuokko, Holly A. (Traffic Injury Prevention, 2011)

  Objective: The objective of this mixed methods study was to perform an evaluation of the Roadwise Review CD-ROM (RWR), a self-screening tool for older drivers. Methods: Ninety-six older drivers (67 to 91) used the RWR ...

• Speeding and Speed Modification of Older Drivers: Does Vehicle Type Make a Difference? 

  Cull, A.W.; Porter, M.M.; Nakagawa, S.; Smith, G.A.; Rapoport, M.J.; Marshall, S.C.; Bedard, M.; Tuokko, H.; Vrkljan, B.; Naglie, G.; Myers, A.M.; Mazer, B. (2020-09)

  The purpose of this study was to examine whether vehicle type based on size (car vs. other = truck/van/SUV) had an impact on the speeding, acceleration, and braking patterns of older male and female drivers (70 years and ...

• Public knowledge, attitudes and practices of vehicle submersion incidents: a pilot study 

  McDonald, Gerren K; Moser, Cheryl A; Giesbrecht, Gordon G (2019-06-03)

  Abstract Introduction Vehicle submersions account for up to 10% of all drownings in high-income countries. Reports indicate that occupants may be conscious and functional, but ...

• The Effect of Fuel Prices on the Driving Patterns of Older Adults 

  Sukhawathanakul, Paweena; Porter, Michelle M; Naglie, Gary; Marshall, Shawn; Rapoport, Mark J.; Tuokko, Holly; Vrkljan, Brenda; Gelinas, Isabelle; Mazer, Barbara; Bedard, Michel (Transportation Research Part F: Psychology and Behaviour, 2018)

  Examining environmental factors that influence older adults’ driving patterns has important implications for understanding factors that can lead to self-regulation and cessation. The current study explored the effect of ...

• An examination of the concordance between self-reported collisions, driver records, and insurance claims in older drivers 

  Porter, Michelle M (Journal of Safety Research, 2018-12)

  Background Previous studies of older drivers have found that there are discrepancies between their retrospective self-reports of collisions and the official jurisdictional record. Objectives The purpose of this study was ...

• Seasonal and Weather Effects on Older Adults’ Driving Trip Distances 

  Smith, Glenys A.; Porter, Michelle M; Cull, Andrew W.; Mazer, Barbara; Myers, Anita M.; Naglie, Gary; Bedard, Michel; Tuokko, Holly A.; Vrkljan, Brenda H.; Gelinas, Isabelle; Marshall, Shawn C.; Rapoport, Mark J. (Canadian Journal on Aging, 2016-06)

  The purpose of this study was to determine if season or weather affected the objectively measured trip distances of older drivers (≥ 70 years n=279) at seven Canadian sites. During winter, for all trips taken, trip distance ...

• Naturalistic Driving Patterns of Older Adults Before and After Cataract Surgery 

  Porter, Michelle M; Cull, Andrew W. (Canadian Journal of Ophthalmology, 2018-10)

  Background. Cataract surgery can have many benefits for older adults, including enabling continued driving. However, it is not known how objectively measured driving patterns change after cataract surgery. Objective. The ...

• Research priorities of the Canadian chiropractic profession: a consensus study using a modified Delphi technique 

  French, Simon D; Beliveau, Peter J H; Bruno, Paul; Passmore, Steven R; Hayden, Jill A; Srbely, John; Kawchuk, Greg N (2017-12-12)

  Abstract Background Research funds are limited and a healthcare profession that supports research activity should establish research priority areas. The study objective was ...

• Citizen science applied to building healthier community environments: advancing the field through shared construct and measurement development 

  Hinckson, Erica; Schneider, Margaret; Winter, Sandra J; Stone, Emily; Puhan, Milo; Stathi, Afroditi; Porter, Michelle M; Gardiner, Paul A; dos Santos, Daniela L; Wolff, Andrea; King, Abby C (2017-09-29)

  Abstract Background Physical inactivity across the lifespan remains a public health issue for many developed countries. Inactivity has contributed considerably to the pervasiveness ...

• Impact of a randomized possible selves experiment on new retirees’ physical activity and identity 

  Perras, Mélanie G M; Strachan, Shaelyn M; Fortier, Michelle S; Dufault, Brenden (2016-08-27)

  Abstract Background Retirement is not always associated with greater engagement in physical activity. Previous interventions informed by possible selves, a type of future-oriented ...

• Programs for improving the safety of older drivers 

  Porter, Michelle M. (Canadian Geriatrics Society Journal of CME, 2015-04-30)

• Velocity during Strength and Power Training of the Ankle Plantar and Dorsiflexor Muscles in Older Patients Attending Day Hospital Rehabilitation 

  Rajan, Pavithra; Porter, Michelle M. (2015-2-23)

  Power training has been proposed as a more effective type of resistance training for older adults for functional performance. It is not yet known whether older adults respond appropriately to instructions for power versus ...

• Older driver estimates of driving exposure compared to in-vehicle data in the Candrive II study 

  Porter, Michelle M.; Smith, G.A.; Cull, A.W.; Myers, A.M.; Bedard, M.; Gelinas, I.; Mazer, B.; Marshall, S.C.; Naglie, G.; Rapoport, M.J.; Tuokko, H.A.; Vrkljan, B.H. (Taylor and Francis, 2015-01)

  OBJECTIVE: Most studies on older adults' driving practices have relied on self-reported information. With technological advances it is now possible to objectively measure the everyday driving of older adults in their own ...

• Use of video technology and GPS as a tool for driver education – a preliminary investigation with older drivers 

  Porter, Michelle M.; Melnyk, Micah G. (Canadian Multidisciplinary Road Safety Conference, 2004)

  Driver education programs have traditionally taken two general forms: in-classroom or in-vehicle. This study explores a variation on traditional in-vehicle driver education programs by using video technology instead of a ...

• The effect of a new road safety device with auditory alerts on older drivers 

  Porter, Michelle M.; Ash, Heather (Canadian Multidisciplinary Road Safety Conference, 2008)

  The purpose of this study was to examine a newly designed road safety device as used by older drivers. The Otto Driving Companion (Persen Technologies, Winnipeg, MB) is a portable device that provides drivers with "instant ...

• The use of a naturalistic driving route for characterizing older drivers 

  Smith, Glenys A.; Cull, Andrew W.; Mence, Rachel; Charlton, Judith; Langford, Jim; Koppel, Sjaan; Porter, Michelle M. (Canadian Multidisciplinary Road Safety Conference, 2012)

  Although the vast majority of older drivers are safe, there are some older drivers who are at risk of crashes due to health-related changes in functional status. For licensing agencies worldwide it is a challenge to ...

• Speed and acceleration patterns of younger and older drivers 

  Nakagawa, Satoru; Kriellaars, Dean; Blais, Christine; Montufar, Jeannette; Porter, Michelle M. (Canadian Multidisciplinary Road Safety Conference, 2006)

  Driving and aging is an area that is receiving more research attention. Most studies have been epidemiological or laboratory-based. Few studies have examined in-vehicle performance, and those that do usually rely on the ...

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