Control of balance differs after knee or ankle fatigue in older women
Control of balance differs after knee or ankle fatigue in older women
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DOI：
10.1016/j.apmr.2006.08.020
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发表时间：
2006-11-01
影响因子：
4.3
通讯作者：
Click Fenter, Paula
中科院分区：
文献类型：
--
作者：
Bellew, James W.;Click Fenter, Paula
目的：研究急性等速膝关节或踝关节疲劳对老年女性静态和动态平衡控制的影响。设计：前测和后测。设置：大学研究实验室。参与者：18名健康的社区老年女性（年龄，77 +/-6岁），无跌倒史。干预措施：踝关节跖部等速疲劳前后静态和动态平衡控制的测量和背屈肌或膝关节伸肌和屈肌。主要结果测量：平衡控制的3项临床评估的表现：改良功能性前伸试验（mFRT），下肢前伸试验（LERT）和单肢站立时间试验（SLSTT）。结果：疲劳后，每个关节的mFRT平衡下降，关节之间的变化幅度无显著差异。在LERT的平衡控制显着下降后，膝关节疲劳，并控制平衡在SLSTT显着减少后，踝关节fatigue.Conclusions：平衡性能急性等速肌肉疲劳后，膝盖或脚踝是特定的肌肉群疲劳和平衡测试。
Objective: To examine the effects of acute isokinetic knee or ankle fatigue on control of static and dynamic balance in older women.Design: Pretest and posttest.Setting: University research laboratory.Participants: Eighteen healthy, community-dwelling older women (age, 77 +/- 6y) with no history of falling.Interventions: Measurements of static and dynamic balance control before and after isokinetically fatiguing the ankle plantar- and dorsiflexors or knee extensors and flexors in separate sessions.Main Outcome Measures: Performance on 3 clinical assessments of control of balance: modified Functional Reach Test (mFRT), Lower-Extremity Reach Test (LERT), and Single-Limb Stance Time Test (SLSTT).Results: Balance declined in the mFRT after fatigue to each joint, with no significant difference in the magnitude of change between joints. Control of balance during the LERT decreased significantly only after knee fatigue, and control of balance during the SLSTT was significantly reduced only after ankle fatigue.Conclusions: Balance performance after acute isokinetic muscular fatigue to the knee or ankle is specific to the muscle groups fatigued and the balance tests used.