评估老年人使用任天堂wii平衡板测量膝关节伸肌力量的重测可靠性：单次试验、最大试验和平均试验的比较

IF 1.4 Q3 REHABILITATION

JOURNAL OF BODYWORK AND MOVEMENT THERAPIES Pub Date : 2025-08-29 DOI:10.1016/j.jbmt.2025.08.024

Noppharath Sangkarit, Weerasak Tapanya, Puttipong Poncumhak, Patchareeya Amput, Saisunee Konsanit

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引用次数: 0

摘要

背景：准确评估下肢肌力对老年人跌倒风险筛查和康复至关重要。任天堂Wii平衡板（NWBB）是一种便携、低成本的工具，在临床评估中具有潜力，但其对膝关节伸肌强度的可靠性仍有待研究。目的评价NWBB在老年人中使用单次、最大次和平均试验策略测量膝关节伸肌力量的重测可靠性。方法30例老年人（n = 30，男15例，女15例，平均年龄65.2±4.1岁）完成两次NWBB评估，间隔一周。每次训练包括三次最大的膝关节伸肌等距收缩。采用ICC3、1、测量标准误差（SEM）和最小可检测变化（MDC95）计算三种试验策略的可靠性指标：单次试验、三次试验的最大值和三次试验的平均值。布兰德-奥特曼地块评估了一致性。结果各试验天间无显著差异（p > 0.05），证实了时间稳定性。单试验显示中等信度（ICC3,1 = 0.786-0.823）和高MDC95 % （> 25%）。平均试验的信度最高（ICC3,1 = 0.984）， SEM最低（3.21 kg）， MDC95 %（7.11%）。亚组分析显示跨性别的可靠性非常好，女性的mdc95%低至2.67%。结论当使用平均试验时，nwbb提供了极好的可靠性，支持其用于评估老年人的膝关节伸肌力量。平均试验提高了灵敏度，减少了误差，使其适合临床和研究使用。

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Evaluating the test-retest reliability of knee extensor muscle strength measurement in older adults with nintendo wii balance board: A comparison of single, maximum, and averaged trials

Background

Accurate assessment of lower limb muscle strength is essential for fall risk screening and rehabilitation in older adults. The Nintendo Wii Balance Board (NWBB), a portable and low-cost tool, has potential in clinical assessment, yet its reliability for knee extensor strength remains underexplored.

Objective

To evaluate the test–retest reliability of the NWBB in measuring knee extensor strength using single, maximum, and averaged trial strategies in older adults.

Methods

Thirty older adults (n = 30; 15 males and 15 females; mean age 65.2 ± 4.1 years) completed two NWBB assessments, one week apart. Each session involved three maximal isometric contractions of the knee extensors. Reliability indices were calculated using ICC_3,1, standard error of measurement (SEM), and minimum detectable change (MDC₉₅) across three trial strategies: single trial, maximum of three trials, and average of three trials. Bland–Altman plots evaluated agreement.

Results

No significant differences were observed between test days (p > 0.05), confirming temporal stability. Single trials showed moderate reliability (ICC_3,1 = 0.786–0.823) and high MDC95 % (>25 %). Averaged trials showed the highest reliability (ICC_3,1 = 0.984), lowest SEM (3.21 kg), and MDC95 % (7.11 %). Subgroup analysis showed excellent reliability across genders, with MDC95 % as low as 2.67 % in females.

Conclusion

NWBB provides excellent reliability when using averaged trials, supporting its use in assessing knee extensor strength in older adults. Averaging trials enhances sensitivity and reduces error, making it suitable for clinical and research use.

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来源期刊

JOURNAL OF BODYWORK AND MOVEMENT THERAPIES REHABILITATION-

CiteScore

2.80

自引率

0.00%

发文量

133

审稿时长

321 days

期刊介绍： The Journal of Bodywork and Movement Therapies brings you the latest therapeutic techniques and current professional debate. Publishing highly illustrated articles on a wide range of subjects this journal is immediately relevant to everyday clinical practice in private, community and primary health care settings. Techiques featured include: • Physical Therapy • Osteopathy • Chiropractic • Massage Therapy • Structural Integration • Feldenkrais • Yoga Therapy • Dance • Physiotherapy • Pilates • Alexander Technique • Shiatsu and Tuina