Stepping in Place (SIP) as a Novel Physical Ability Assessment in Neurorehabilitation: A Wearable Device-based Validation Study
Hu, B.; Amini, D.; Ghani, I.; Ahmed, A.-S.; Wasif, S.; Chomiak, T.
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The assessment of physical ability is a critical component in developing personalized exercise prescriptions, monitoring disease progression, and evaluating intervention outcomes across various clinical and general populations. This study evaluates how objective physical performance parameters, measured during a stepping in place (SIP) exercise via Ambulosono wearable system, relate to subjective perceptions of fatigue and breathlessness using Borg and Fatigue Scores. Our overall results show that SIP, as a convenient and simple exercise modality, can be used to rank a users physical ability level based on both objective and subjective parameters. Furthermore, while the objective walking/gait parameters may have some predictive ability for the such parameter as cadence, they do not appear to significantly predict the subjective fatigue or breathlessness scores, either before or after the activity. This lack of significant relationships suggests that factors other than the measured objective gait metrics may play a more important role in determining subjective experiences of fatigue and breathlessness during the stepping exercise.
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