No difference in pain or ROM between smartphone-based and conventional exercise for frozen shoulder .
Effect of smartphone application-supported self-rehabilitation for frozen shoulder: a prospective randomized control study
Clin Rehabil. 2019 Apr;33(4):653-660.84 patients with frozen shoulder were randomized to perform a self-exercise program delivered conventionally or with the aid of a smartphone application. The primary outcome of interest was pain, measured on a Visual Analog Scale (VAS). Secondary outcomes included range of motion (in forward flexion, abduction, internal rotation, external rotation). Usability questionnaires (TAM-2; USE) were administered to determine the feasibility of the application. The results from the trial found no significant differences between the two groups in VAS pain scores nor range of motion in all measured directions. The usability questionnaires revealed a high level of usefulness, satisfaction and ease of use.
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