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- Title
Smartwatch-based functional assessment for upper extremity impairment after musculoskeletal injuries: A pilot study.
- Authors
Nam, Hyung Seok; Han, Sol; Leigh, Ja-Ho; Bang, Moon Suk
- Abstract
Introduction: Wearable sensors are increasingly applied to rehabilitation for arm movement analysis. However, simple and clinically relevant applications are scarce. Objectives: To investigate the feasibility of single smart watch-based parameters for functional assessment in upper limb rehabilitation for musculoskeletal injuries using a commercial smart watch. Method: Ten patients with unilateral shoulder pain and range-of-motion limitations were enrolled. They wore Galaxy Watch® and performed three sets of upper extremity tasks consisting of gross activities-of-daily-living tasks, Wolf Motor Function Test (WMFT), and Upper Extremity Functional Index (UEFI), and the acceleration and angular velocities were acquired. The motion segment size (MSS), representing motion smoothness from a clinical perspective, and various sensor-based parameters were extracted. The correlation between the parameters and clinical outcome measures were analyzed. The percent relative range (PRR) of the significant parameters was also calculated. Results: For overhead and behind body activity task set, mean MSS for elbow flexion/extension axis significantly correlated with WMFT score (R = 0.784, p =.012). For planar tasks, mean MSS for the forearm supination/pronation (R = 0.815, p =.007) and shoulder rotation (R = 0.870, p =.002) axes significantly correlated with WMFT score. For forearm and fine movement task set, mean MSS of the elbow flexion/extension angle showed significant correlation with WMFT (R = 0.880, p <.001) and UEFI (R = 0.718, p =.019). The total performance time (R = −0.741, p =.014) also showed significant correlation with WMFT score. The PRR for mean MSS in forearm supination (71.5%, planar tasks) and mean MSS in x -direction (49.8%, forearm and fine motor movements) were similar to the PRR of WMFT (58.5%), suggesting sufficient variation range across different degree of impairments. Conclusion: The commercial smart watch-based parameters showed consistent potential for use in clinical functional assessments.
- Subjects
MUSCULOSKELETAL system injuries; SHOULDER pain; PEARSON correlation (Statistics); ARM; TASK performance; RESEARCH funding; FUNCTIONAL assessment; PILOT projects; KINEMATICS; WEARABLE technology; DESCRIPTIVE statistics; WORK-related injuries; BODY movement; RANGE of motion of joints; ALGORITHMS; ACTIVITIES of daily living; PHYSIOLOGICAL effects of acceleration
- Publication
Hong Kong Journal of Occupational Therapy, 2024, Vol 37, Issue 1, p31
- ISSN
1569-1861
- Publication type
Article
- DOI
10.1177/15691861241241775