Bradford J. McFadyen

Bradford  J. McFadyen

525, boulevard Wilfrid-Hamel

Québec (Québec)  G1M 2S8

418 529-9141 # 6584

Expert in locomotor control and its adaptation to the environment in healthy persons and persons with impaired mobility. Interested in the development of clinical tools for mobility evaluation and treatment. Research tools include motion analyses, electrophysiology and virtual reality.

Regular Researcher, CIRRIS
Professor, Dept. Rehabilitation, Laval University
Research theme: 
Cognitive and behavioral functions
Motor function, sense and perception
Physical environment
Technological environment
Research goal: 
Evaluation and Analysis
Understanding of the mechanisms, phenomena and needs

Academic background

  • Ph.D., Biomechanics (University of Waterloo, 1989).
  • M.Sc., Biomechanics (University of Waterloo, 1985).
  • B.Sc.  Kinesiology (University of Waterloo, 1982).

Research interests

  • Locomotor control, adaptation and mobility in healthy populations and those with an acquired brain injury (e.x., Traumatic Brain Injury; Stroke)
  • Gait and executive functioning
  • Return to function assessment

Articles in scientific journals (peer-reviewed)

Roosink M, McFadyen BJ, Hébert LJ, Jackson PL, Bouyer LJ, Mercier C.
PLoS One. 2015 Mar 23;10(3):e0120251. doi: 10.1371/journal.pone.0120251. eCollection 2015.
PMID: 25799009
Roosink M, Robitaille N, McFadyen BJ, Hébert LJ, Jackson PL, Bouyer LJ, Mercier C. (2015) J Neuroeng Rehabil. 2015 Jan 5;12(1):2. doi: 10.1186/1743-0003-12-2.  PMID: 25558785 [PubMed - in process]
Charrette, C., Routhier, F. & McFadyen, B.J. (2015) Visuo-locomotor coordination for direction changes in a manual wheelchair as compared to biped locomotion in healthy subjects. Neuroscience Letters, 588(c), 83-87
Cossette I, Ouellet MC, McFadyen BJ.
Arch Phys Med Rehabil. 2014 Aug;95(8):1594-7. doi: 10.1016/j.apmr.2014.03.019. Epub 2014 Apr 12.
PMID: 24726561

Telonio, A, Blanchet, S, Maganaris, CN, Baltzopoulos, V, Villeneuve, S, McFadyen, BJ. The division of visual attention affects the transition point from level walking to stair descent in healthy, active older adults. Experimental Gerontology

Telonio, A., Blanchet, S., Maganaris, C. N., Baltzopoulos, V., & McFadyen, B. J. (2013). The detailed measurement of foot clearance by young adults during stair descent. Journal of Biomechanics, 46, 1400–1402. doi:10.1016/j.jbiomech.2013.02.013

Frasca, D., Tomaszczyk, J., McFadyen, B. J., & Green, R. E. (2013). Traumatic brain injury and post-acute decline: what role does environmental enrichment play? A scoping review. Frontiers in Human Neuroscience, 7, 31. doi:10.3389/fnhum.2013.00031

Maclellan MJ, Richards CL, Fung J, McFadyen BJ. Use of segmental coordination analysis of nonparetic and paretic limbs during obstacle clearance in community-dwelling persons after stroke. PMR. 2013 May;5(5):381-91

Fait, P., Swaine, B., Cantin, J.-F., Leblond, J., & McFadyen, B. J. (2013). Altered integrated locomotor and cognitive function in elite athletes 30 days postconcussion: a preliminary study. The Journal of Head Trauma Rehabilitation, 28(4), 293–301. doi:10.1097/HTR.0b013e3182407ace

Duysens, J., Potocanac, Z., Hegeman, J., Verschueren, S., & McFadyen, B. J. (2012). Split-second decisions on a split belt: does simulated limping affect obstacle avoidance? Exp Brain Res, 223(1), 33-42.

Blouin, J.-S., Dakin, C. J., van den Doel, K., Chua, R., McFadyen, B. J., & Inglis, J. T. (2012). Extracting phase-dependent human vestibular reflexes during locomotion using both time and frequency correlation approaches. Journal of Applied Physiology, 111(5), 1484-1490.

Fait, P. E., McFadyen, B. J., Reed, N., Zabjek, K., Taha, T. I. M., & Keightley, M. (2011). Increasing task complexity and ice hockey skills of youth athletes. Perceptual and Motor Skills, 112(1), 29-43.

J.S. Roy, H. Moffet, B.J. McFadyen.The effects of unsupervised movement training with visual feedback on upper limb kinematic in persons with shoulder impingement syndrome. Journal of Electromyography and Kinesiology 2010; 20: 939-946.

MacLellan, M., & McFadyen, B. (2010). Segmental control for adaptive locomotor adjustments during obstacle clearance in healthy young adults. Experimental Brain Research, 202(2), 307-318.

J.S. Roy, H. Moffet, B.J. McFadyen, R. Lirette. Impact of movement training with feedback on upper limb motor strategies in persons with shoulder impingement syndrome. Sports Medicine, Arthroscopy, Rehabilitation, Therapy & Technology 2009;1:8.

McFadyen, B. J., Cantin, J.-F., Swaine, B., Duchesneau, G., Doyon, J., Dumas, D., et al. (2009). Modality-Specific, Multitask Locomotor Deficits Persist Despite Good Recovery After a Traumatic Brain Injury. Archives of Physical Medicine and Rehabilitation, 90(9), 1596-1606.

McFadyen, B. J., Hegeman, J., & Duysens, J. (2009). Dual task effects for asymmetric stepping on a split-belt treadmill. Gait & Posture, 30(3), 340-344.

Fait, P., McFadyen, B. J., Swaine, B., & Cantin, J. F. (2009). Alterations to locomotor navigation in a complex environment at 7 and 30 days following a concussion in an elite athlete. Brain Injury, 23(4), 362-369.

Fortin, K., Blanchette, A., McFadyen, B. J. & Bouyer L. J. (2009). Effects of walking in a force field for varying durations on aftereffects and on next day performance. Experimental Brain Research, 199(2), 145-55.

J.S. Roy H. Moffet, B.J. McFadyen. Upper limb motor strategies in persons with and without shoulder impingement syndrome across different speeds of movement. Clinical Biomechanics 2008; 23(10):1227-1236.

McFadyen BJ, Bouyer L, Bent LR, Inglis JT Visual-vestibular influences on locomotor adjustments for stepping over an obstacle. Exp Brain Res. 2007 May;179(2):235-43.

Scientific presentations (oral or poster)

Gamache, S, Vincent, C., Routhier, F., McFadyen, B., Fiset, D. & Beauregard, L. 2014 International Summit on Accessibility, Hosted by Carleton University, July 12-15, 2014, Ottawa Convention Centre, Ottawa, Ontario, Canada (international) 

Behavioural markers for sensitive, ecologically valid detection of motor-cognitive functional alterations following concussions.

Brad McFadyen.   Symposium of the World Congress of the International Society for Posture and Gait Research (ISPGR) Vancouver, Canada, July, 2014

Dermoskeletal techonology as a means to improve mobility in individuals with multiple sclerosis: a pilot study

Bouyer, L., Routhier, F., Rahn, C. & McFadyen, B. (2014). RESNA 2014. Indianapolis, IN, USA, June 11-15. 

Interactive Virtual Reality Real-Time Avatar for Military Rehabilitation in the Canadian Forces.

Hébert, L.J., McFadyen, B.J., Robitaille, N., Larochelle, J., Mercier, C., Jackson, P. L., Bouyer, L., Fecteau, S., Richards, C. (2013, April). Interactive Virtual Reality Real-Time Avatar for Military Rehabilitation in the Canadian Forces. Oral presentation at the HFM-228 SYMPOSIUM, Milan, Italy.

Interactive Virtual Reality Real-Time Avatar for Military Rehabilitation in the Canadian Forces.

Hébert LJ, McFadyen B, Robitaille N, Larochelle J, Mercier C, Jackson P. L., Bouyer L, Fecteau S, Richards, CL. (2013) Interactive Virtual Reality Real-Time Avatar for Military Rehabilitation in the Canadian Forces. Collaboration and Support Office de l'OTAN, NATO Science and Technology Organisation Meeting Proceedings, March 2013;1-13.

Gamache, S., Vincent, C., McFadyen, B. J., Routhier, F., Beauregard, L., & Fiset, D. (2012). Measure of accessibility to urban infrastructures for adults presenting physical disabilities. Québec (Canada): Centre interdisciplinaire de recherche en réadaptation et intégration sociale.


Research Professionnal
  • Nicolas Robitaille (engineer)
Research Coordinator
  • Isabelle Lorusso 

  • Andréanne Gingras
Master Students
  • Louis-Philippe Dugas (co-directed by Dr. Laurent Bouyer)
  • Isabelle Cossette (co-directed by Dr. Marie-Christine Ouellet)
  • Caroline Charrette (co-directed by Dr. François Routhier)
PhD Students
  • Diana Frasca, U. of Toronto (Co-directed by Dr. Robin Green)
  • Martina Betschart, U. de Montréal (Co-directed by Dr. Sylivie Nadeau)
  • Marie-Ève Gagné (Co-directed by Dr. Marie-Christine Ouellet)


  • C-04 (Analyse de la motricité)
  • C-06 (Clinique de marche)
  • C-08 (Robotique)
  • C-23 (EMIR)


  • ISPGR (President)
  • Society for Neuroscience
  • CIMVHR (Co-host Forum 2015)
  • Board of directors - Chair cerveau et douleurs
  • Member of the Research Council of CIRRIS

CIUSSS-CN Université Laval Alliance santé Québec