The purpose of this study is to develop and validate a novel video-based postural evaluation tool designed to objectively measure the quality and dynamics of the Sit-to-Stand (STS) motion in stroke patients, specifically allowing physical therapists to monitor patient progress remotely via tele-evaluation. Since stroke survivors often face difficulties attending regular in-clinic assessments, this tool addresses a critical unmet need. The core question this study aims to answer is whether this new video-based measurement can accurately and consistently assess standing ability when compared against established standards. To confirm the tool's trustworthiness, we will first test its reliability by assessing if different experts achieve the same results (Inter-rater reliability) and if the same expert achieves the same results across multiple trials (Intra-rater reliability). We will then confirm the tool's accuracy (validity) by examining if its derived scores correlate strongly with established clinical measures (e.g., Trunk Impairment Scale, TIS) and patient-reported outcome measures. Finally, we will verify its scientific precision by comparing the tool's detailed kinematic measurements (including total STS time and joint angles) against the gold-standard data derived from the Kinovea motion analysis software.
Age range
20 Years – 80 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Inter-rater Reliability of the Video-Based Sit-to-Stand (STS) Assessment Tool as Assessed by the Intraclass Correlation Coefficient (ICC 2,1)
Timeframe: At baseline, during a single assessment session following enrollment
Intra-rater Reliability of the Video-Based Sit-to-Stand (STS) Assessment Tool as Assessed by the Intraclass Correlation Coefficient (ICC 3,1)
Timeframe: At baseline, during a single assessment session following enrollment