Gait Biomechanics Laboratory
Gait Biomechanics Laboratory
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Laboratory Publications

* indicates graduate students in the lab; ** indicates undergraduate students in the lab

NSERC Funded Research

2024 Canadian Society for Biomechanics, Edmonton https://www.csb-scb-conference.com/

2022 North American Congress on Biomechanics, Ottawa https://asbweb.org/nacob/

  • *Pitman J, **Shannon J, MacLellan MJ & Vallis, LA. (2024). Visual cue spatial context affects performance of anticipatory postural adjustments. Human Movement Science, 95, 103210. 
  • *Pitman J, *Kissack B & Vallis LA. (2024). Presentation of multiple task instructional sets impacts auditory Stroop performance during dual task locomotion. Experimental Brain Research [NSERC Discovery funding]. EXBR-S-24-00220.R1
  • Terry M, *Shulman D, Vallis LA. (2023). What is the role of sustained visual attention in the maintenance of postural control in young adults?. Experimental Psychology [NSERC Discovery funding]. 70(4): 232-240.
  • *Pitman J, Vallis LA. (2022). The role of cognition when executing an online, visually evoked adjustment to an obstacle circumvention strategy. Journal of Motor Behavior [NSERC Discovery funding]. 54(2): 146-157.
  • *McIntosh EM, Vallis LA. (2021). Performance during reactive handrail grasping during forward walking by young and older adults with and without prior knowledge of the direction of movement is correlated with grip strength. Experimental Gerontology [NSERC Discovery funding]. 151:111386: 1-9.
  • *Pitman J, **Sutherland K,Vallis LA. (2021). Exploring the cognitive demands required to adjust online obstacle avoidance strategies. Experimental Brain Research [NSERC Discovery funding]. 239(3): 1009-1019.
  • *Shulman D, **Spencer A and Vallis LA. (2019). Older adults exhibit variable responses in stepping behaviour following unexpected forward perturbations during gait initiation.Human Movement Science [NSERC Discovery funding]. 64: 120-128.
  • *Inkol KA, *Huntley AH and Vallis LA. (2019). Repeated exposure to forward support-surface perturbation during overground walking alters upper-body kinematics and step parameters. Journal of Motor Behaviour [NSERC Discovery funding]. 51(3): 318-330.
  • *Inkol KA, *Huntley AH and Vallis LA. (2018). Do perturbation-evoked responses result in higher cognitive dual task costs depending on the direction and magnitude of perturbation? Experimental Brain Research [NSERC Discovery funding]. 236(6): 1689-1698.
  • *Shulman D, **Spencer A, Vallis LA. (2018). Age-related alterations in reactive stepping following unexpected mediolateral perturbations during gait initiation. Gait & Posture [NSERC Discovery funding]. 64: 130-134.
  • *Worden TA and Vallis LA. (2018). Examining Transfer Effects of Dual-Task Training Protocols for a Complex Locomotor Task. Journal of Motor Behavior [NSERC Discovery funding]. 50(2): 177-193.
  • *Inkol KA, *Huntley AH and Vallis LA. (2018). Modeling margin of stability with feet in place following a postural perturbation: Effect of altered anthropometric models for estimated extrapolated centre of mass. Gait and Posture [NSERC Discovery funding]. 62: 434-439.
  • *Huntley AH, **Inkol, KA and Vallis, LA. (2018). Slip and Trip Perturbations During an Object Transport Task Requiring a Lateral Change in Support.Journal of Motor Behaviour [NSERC Discovery funding]. 50(4): 364-372.

CIHR Funded Research

2024 ICAMPAM  https://ismpb.org/2024-rennes/

2023 ICDAM https://www.ul.ie/ehs/pafh/events/international-conference-on-diet-and-activity-methods-icdam-2023

  • *Coyle-Asbil HJ, *Breau B, Ma DWL, Haines J, Buchholz AC and Vallis LA on behalf of the Guelph Family Health Study. (2024). Compliance with the 24-hour movement behavior guidelines and the impact of sleep methods among toddler, preschool, and school-aged children enrolled in the Guelph Family Health Study. Journal of Science and Medicine in Sport [CIHR funding].
  • *Coyle-Asbil HJ, **Coyle-Asbil B, Gruson-Wood J, Ma DWL, Haines J and Vallis LA on behalf of the Guelph Family Health Study. (2024). Associations between parent and young children’s sleep: Exploring the impact of parent gender in heterosexual couples in the Guelph Family Health Study. Child & Youth Care Forum [CIHR funding].
  • *Coyle-Asbil HJ, Murphy B, Vallis LA. (2024). Shaking Up Activity Counts: Accelerometers, Filters, and Processing. Journal for the Measurement of Physical Behaviour.
  • *Coyle-Asbil HJ, Habegger J, Oliver M, Vallis LA. (2023). Enabling the ActiGraph GT9X Link’s idle sleep mode and inertial measurement unit settings directly impacts data acquisition. Sensors [CIHR funding]. 23(12): 5558-5571.
  • *Breau B, **Coyle-Asbil HJ, Vallis LA. (2022). The use of accelerometers in young children: A methodological scoping review. Journal for the Measurement of Physical Behaviour [CIHR funding]. 5(3): 185-201.
  • *Coyle-Asbil HJ, Habegger J, Oliver M, Vallis LA. (2022). Examining the ability of two Actigraph models to detect and discriminate between low frequency movements.IEEE Sensors. 22(7): 6378-6386.
  • *Breau B, *Coyle-Asbil HJ, Haines J, Ma DWL, Vallis LA on behalf of the Guelph Family Health Study. (2022). Actigraph cutpoints impact physical activity and sedentary behaviour outcomes in young children. Journal for the Measurement of Physical Behaviour. 5(3): 85-96.
  • *Coyle-Asbil HJ, Ma DWL, Vallis LA on behalf of the Guelph Family Health Study. (2022). Comparison of different signal processing methodologies and their impact on the range of acceleration amplitudes experienced by preschool-aged children. Measurement in Physical Education and Exercise Science. 26(3): 207-220.
  • **Coyle-Asbil B, *Coyle-Asbil H, Ma DWL, Haines J, Vallis LA on behalf of the Guelph Family Health Study. (2021). Association between weekend and weekday sleeping patterns and adiposity among preschool aged children. Journal for the Measurement of Physical Behaviour. 4(3): 266-273.
  • *Breau B, Brandes B, Wright B, Wright MNm Buck C, Vallis LA, Brandes M. (2021). Association of individual motor abilities and accelerometer-derived physical activity measures in Preschool-Aged children. Journal for the Measurement of Physical Behaviour. 4(3): 227-235.
  • *Coyle-Asbil HJ, *Breau B, Ma DWL, Haines J, Vallis LA. (2020). Examining the effects of applying Actigraph Low Frequency Extension feature to analyze the sleeping behaviours of preschool-aged children. Applied Physiology, Nutrition and Metabolism [CIHR funding]. 45(12): 1396-1399.
  • Haines J, Douglas S, Mirotta JA, O’Kane C, *Breau B, Walton K, Krystia O, Chamoun E, Annis A, Darlington GA, Buchholz AC, Duncan AM, Vallis LA, Spriet LL, Mutch DM, Brauer P, Allen-Vercoe E, Taveras EM, Ma DWL; Guelph Family Health Study. (2018). Guelph Family Health Study: Pilot study of a home-based obesity prevention intervention. Canadian Journal of Public Health [CIHR funding]. 109(4): 549-560.

Parkinson Canada Funded Research

  • Kathia MM, Duplea S-G, Bommarito JC, Hinks A, Leake E, **Shannon J, *Pitman J, Coates AM, Slysz JT, Katerberg C, Witton LA, Connolly B, Burr JF, Vallis LA, Power GA, Millar PJ. (2024). High-Intensity Interval Training vs. Moderate-Intensity Continuous Training in Parkinson’s Disease: A Randomized Controlled Trial. Journal of Applied Physiology [Parkinsons Canada funding].
  • Kathia MM, Bommarito JC, Hinks A, Leake E, **Shannon J, *Pitman J, Connolly B, Burr JF, Vallis LA, Power GA, Millar PJ. (2023). Physiological and clinical responses to cycling 7850 km over 85 days in a physically active middle-aged man with idiopathic Parkinson’s disease. Physiological reports [Parkinsons Canada funding]. 11(14): e15772.