期刊
PHYSICAL THERAPY
卷 102, 期 10, 页码 -出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/ptj/pzac099
关键词
Muscle Strength; Muscle Strength Dynamometer; Muscle Weakness; Neuromuscular Diseases; Reproducibility of Results
This study critically appraised and summarized the evidence for the reliability of muscle strength and muscle power assessment in patients with neuromuscular diseases using isokinetic dynamometry. The quality of evidence varied among different diseases, with only postpoliomyelitis syndrome showing high-quality evidence. Further research is needed to determine the reliability and validity of isokinetic dynamometry in other neuromuscular diseases.
Objective The purpose of this study was to critically appraise and summarize the evidence for reliability of muscle strength and muscle power assessment in patients with neuromuscular diseases (NMDs) using isokinetic dynamometry. Methods PubMed, CINAHL, and Embase electronic databases were searched from inception to March 8, 2022. Studies designed to evaluate reliability of muscle strength and power measurements using isokinetic dynamometry were included in this review. First, the methodological quality of the studies was assessed according to the Consensus-Based Standards for the Selection of Health Measurement Instruments guidelines. Next, the quality of measurement properties was determined. Finally, the methodological quality and quality of measurement properties of the studies were combined to obtain a best-evidence synthesis. Results A best-evidence synthesis of reliability was performed in 11 studies including postpoliomyelitis syndrome (n = 5), hereditary motor and sensory neuropathy (n = 2), motor neuron diseases (n = 1), myotonic dystrophy (n = 1), and groups of pooled NMDs (n = 2). A best-evidence synthesis on measurement error could not be performed. Quality of evidence on reliability ranged from high in postpoliomyelitis syndrome to very low in hereditary motor and sensory neuropathy, motor neuron diseases, and groups of pooled NMDs. The most frequently used outcome measure was peak torque, which was reliable in all populations (intraclass correlation coefficient >0.7). Conclusion The quality of evidence for reliability of isokinetic dynamometry was found to vary substantially among different NMDs. High quality of evidence has been obtained only in patients with postpoliomyelitis syndrome. Further research is needed in the majority of known NMDs to determine reliability and validity of isokinetic dynamometry. Impact The ability of isokinetic dynamometers to capture clinically relevant changes in muscle strength and muscle power in NMDs remains unclear. Isokinetic dynamometry results in NMDs should be interpreted with caution.
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