Transitions sit to stand and stand to sit in persons post-stroke: Path of centre of mass, pelvic and limb loading – A pilot study

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Abstract

Background: To explore the movement patterns utilized by persons post stroke from the simultaneous perspective of pelvic and limb loading with the path of centre of mass during the movement transitions sit to stand and stand to sit. Methods: A descriptive pilot study where kinetic and kinematic data were collected and compared between the contribution made by the less affected versus more affected lower limb and trunk during sit to stand and stand to sit following stroke. Movement analysis was undertaken using force-plates and a 3D VICON motion capture system. Findings: Data were successfully collected on nine subjects of whom four presented with left side more affected and eight were male. Two patterns were demonstrated for pelvic loading, four patterns for limb loading and five patterns for deviation of centre of mass. There were no consistent patterns of movement demonstrated dependent upon the more or less affected side. There was no consistent relationship between pelvic and limb loading and deviation of centre of mass throughout the movement phases. Interpretation: In contrast to assumptions often made with respect to limb loading, we found large variability in movement patterns utilized by person's with a hemiparetic presentation during sit to stand and stand to sit. The findings suggest that movement problems encountered by persons post-stroke are complex and identifies limitations with respect to current measurement techniques.

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APA

Vaughan-Graham, J., Patterson, K., Brooks, D., Zabjek, K., & Cott, C. (2019). Transitions sit to stand and stand to sit in persons post-stroke: Path of centre of mass, pelvic and limb loading – A pilot study. Clinical Biomechanics, 61, 22–30. https://doi.org/10.1016/j.clinbiomech.2018.11.004

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