Development of a video-based technique for ambulatory monitoring of foot placement with an instrumented rollator.
DOI:
https://doi.org/10.2340/16501977-1907Keywords:
gait, mobility limitation, monitoring, ambulatory, self-help device, walker, walking.Abstract
OBJECTIVE: To develop a video-based system, mounted on a rollator to quantify the step width values of rollator users in the community. SUBJECTS: A total of 5 able-bodied young adults, age range 24-28 years. METHODS: A digital video camera system was mounted on the rollator frame to capture the position of the participant's feet during overground walking. A method of estimating step width from the video data was developed and evaluated against the output from a concurrently recording Vicon MX motion capture system. RESULTS: Mean step widths of the rollator and motion capture systems were 14.40 cm (standard deviation (SD) 4.64) and 14.37 cm (SD 4.34), respectively, revealing a strong level of agreementDownloads
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