Watanatada Pasakorn, Polmang Burawan, Sanguangrangsirikul Sompol
Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand.
J Med Assoc Thai. 2006 Sep;89 Suppl 3:S92-7.
The objective of this study was to assess the reliability of center ofpressure distance and area sway during one-legged stance.
One hundred and sixteen participants aged 40-60 years old were recruited. Fifty nine subjects were males and fifty seven subjects were females. Subjects were excluded in cases of abnormal lower extremity structures, neurological deficits related to balance disorder, and inability of right leg stance for more than 30 seconds. All subjects were evaluated with 4 trials ofone-legged stance, each 2 of normal and fast lifting leg conditions. Center of pressure and kinematic data were synchronously collected.
Intraclass correlation coefficients (ICC) of the distance sway was between 0.69 and 0.83, while ICC of the area sway was between 0.06 and 0.25.
Distance sway provides higher reliability than area sway for static balance assessment. Subjective leg lifting speed was satisfactory.
本研究的目的是评估单腿站立时压力中心距离和面积摆动的可靠性。
招募了116名年龄在40 - 60岁之间的参与者。其中59名受试者为男性，57名受试者为女性。下肢结构异常、与平衡障碍相关的神经功能缺损以及右腿无法站立超过30秒的受试者被排除。所有受试者进行4次单腿站立测试，每种正常和快速抬腿条件各2次。同步收集压力中心和运动学数据。
距离摆动的组内相关系数（ICC）在0.69至0.83之间，而面积摆动的ICC在0.06至0.25之间。
对于静态平衡评估，距离摆动比面积摆动具有更高的可靠性。主观腿部抬起速度令人满意。
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