HAND-HELD DYNAMOMETRY - STABILITY OF MUSCLE STRENGTH OVER MULTIPLE MEASUREMENTS

被引:17
作者
BOHANNON, RW
机构
[1] Cape Fear Valley Medical Cent,, Fayetteville, NC, USA, Cape Fear Valley Medical Cent, Fayetteville, NC, USA
关键词
DYNAMOMETERS;
D O I
10.1016/0268-0033(87)90131-8
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Repeated measurements of elbow flexion force were obtained to determine the stability of muscle strength over multiple measurements (four) with a hand-held dynamometer. Thirty-one healthy, adult women were tested. Although the force of the fourth trial was found to differ significantly from the force of the first and second trials, the reliability of the procedure was very high (ICC equals 0. 955). The first trial was usually the strongest, but not always. The coefficient of variation of the first two efforts did not decrease with the inclusion of the third and fourth trials in its calculation. If the fourth trial is excluded, the measurements demonstrate stability. Given this finding and the finding that the earlier efforts were usually the strongest, little justification for multiple measurements of strength is apparent in the subjects tested.
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页码:74 / 77
页数:4
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