Gait Biomechanics Laboratory
Gait Biomechanics Laboratory
Default header image

Laboratory Publications

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

NSERC Funded Research

2025 International Society of Posture & Gait Research, Maastricht  ispgr.org- 2025 world congress

2025 Ontario Biomechanics Conference, Oshawa Ontario Biomechanics Conference 2025

 2024 Canadian Society for Biomechanics, Edmonton csb-scb-conference

  1. *Pitman J, **Shannon J, MacLellan MJ & Vallis, LA. (2024). Visual cue spatial context affects performance of anticipatory postural adjustments. Human Movement Science, 95, 103210. 10.1016/j.humov.2024.103210
  2. *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. 10.1007/s00221-024-06903-x
  3. 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. 10.1027/1618-3169/a000592
  4. *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. 10.1080/00222895.2021.1932713
  5. *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. 10.1016/j.exger.2021.111386
  6. *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. 10.1007/s00221-020-06006-3
  7. *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. 10.1016/j.humov.2018.11.008
  8. *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. 10.1080/00222895.2018.1474336
  9. *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. 10.1007/s00221-018-5249-8
  10. *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. 10.1016/j.gaitpost.2018.05.035
  11. *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. 10.1080/00222895.2017.1327409
  12. *Inkol KA, *Huntley AH and Vallis LA. (2018). Modelling 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. 10.1016/j.gaitpost.2018.03.050
  13. *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. 10.1080/00222895.2017.1363696

CIHR Funded Research

2025 ICDAM, Toronto ICDAM 2025 – isdamportal.org

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

  1. *Coyle-Asbil, H. J., Brandes, M., Brandes, B., Buck, C., Wright, M. N., & Vallis, L. A. (2025). Evaluating machine learning approaches to predict the energy expenditure of cross-national preschool children: A study of preprocessing and feature effects. European Journal of Applied Physiology. 10.1007/s00421-025-05800-7
  2. Barssé, D.P., Darlington, G., *Coyle-Asbil, H.J., **Breau, B., Vallis, L.A., El Khoury, D., Haines, J., Ma, D.W.L., & Buchholz, A. (2025). Cross-sectional associations between anthropometric measures and cardiometabolic risk factors among young children. Canadian Journal of Dietetic Practice and Research. 10.3148/cjdpr-2025-005
  3. Ribey, S. C. S., *Coyle-Asbil, H. J., **Osojnicki, K., ***Coyle-Asbil, B., Vallis, L. A., Darlington, G., Duncan, A. M., Ma, D. W. L., Haines, J., Buchholz, A. C., & on behalf of the Guelph Family Health Study. (2024). Associations between objectively measured nighttime sleep duration, sleep timing, and sleep quality and body composition in toddlers in the Guelph Family Health Study. Applied Physiology, Nutrition, and Metabolism. 10.1139/apnm-2024-0244
  4. *Coyle-Asbil, H. J., Burk, L., Brandes, M., Brandes, B., Buck, C., Wright, M. N., & Vallis, L. A. (2024). Energy expenditure prediction in preschool children: a machine learning approach using accelerometry and external validation. Physiological Measurement. 10.1088/1361-6579/ad7ad2
  5. *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]. 10.1016/j.jsams.2024.05.014
  6. *Coyle-Asbil HJ, Murphy B, Vallis LA. (2024). Shaking Up Activity Counts: Accelerometers, Filters, and Processing. Journal for the Measurement of Physical Behaviour. https://doi.org/10.1123/jmpb.2023-0058
  7. *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. 10.3390/s23125558
  8. *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. 10.1123/jmpb.2021-0049
  9. *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. 10.1109/JSEN.2022.3150972
  10. *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. https://doi.org/10.1123/jmpb.2021-0042
  11. *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. 10.1080/1091367X.2021.2009836
  12. **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. 10.1139/apnm-2024-0244
  13. *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. 10.1123/jmpb.2020-0065
  14. *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. 10.1139/apnm-2019-0969
  15. 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. 10.17269/s41997-018-0072-3

Parkinson Canada Funded Research

  1. 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]. https://doi.org/10.1152/japplphysiol.00219.2024
  2. 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. 10.14814/phy2.15772