Measurement Properties of Isokinetic Dynamometry for Assessment of Shoulder Muscle Strength: A Systematic Review

Objective To investigate the evidence of measurement properties isokinetic dynamometry (ID) for assessment shoulder muscle strength in healthy individuals and patients with nonneurologic pathology. Data Sources Cochrane Central Register Controlled Trials, PubMed, EMBASE, Physiotherapy Evidence Database were searched up to February 2020 without restrictions. Reference lists citations hand-searched. Study Selection Two review authors independently included studies that met following criteria: (1) evaluated ID when used on glenohumeral joint (2) 18 years older. Studies including neurologic, neuromuscular, or systemic diseases critical illness excluded. Extraction The quality data synthesis performed according COnsensus-based Standards selection health Measurement INstruments methodology. Synthesis Twenty-one a total 597 participants included. results combined separately isometric, concentric, eccentric test mode; velocities 30°/s-60°/s, 90°/s, 120°/s, 240°/s; seated, supine, standing position; internal rotation (IR), external (ER), ER/IR ratio. reliability was overall sufficient majority intraclass correlation coefficients ?0.70. moderate low 20 30 strata examined. error rated as insufficient all strata. SEM ranged from 4%-28%. varied depending Conclusions positions, velocities, modes strength. not sufficient. Because most seated position, 30°/s-60°/s concentric mode, highest these conditions.