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首页> 外文期刊>Journal of hand therapy: Official journal of the American Society of Hand Therapists >Measurement of maximum voluntary pinch strength:: Effects of forearm position and outcome score.
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Measurement of maximum voluntary pinch strength:: Effects of forearm position and outcome score.

机译：最大自愿捏力强度的测量：：前臂位置和结局评分的影响。

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摘要

The purpose of this study was to determine the effects of forearm position and outcome score on key, fingertip, and three-jaw chuck pinch strength. Maximum voluntary key, fingertip, and three-jaw chuck pinches were performed by 135 healthy adults (20-88 years old) three times in a pronated, supinated, and neutral forearm position with the right and left hand using a B&L (B&L Engineering, Tustin, CA) pinch gauge. The highest, first, and mean scores of three pinch forces were recorded. Three 3x3 factorial repeated-measures analyses tested each type of pinch strength. Forearm position affected key and fingertip pinches (p<0.017; effect sizes <0.14) but not three-jaw chuck pinch. The highest score ranked highest followed by the first and then the mean of the three scores (p<0.017; effect sizes >0.53). Although the effects of type of outcome score were consistent, the statistically significant effects of forearm position and outcome score may be too small (<1 lb) to be clinically relevant. Standardized positioning during pinch strength measurement is still recommended despite these findings.
机译：这项研究的目的是确定前臂位置和结局评分对按键，指尖和三爪夹头捏力的影响。 135名健康成年人（20-88岁）使用B＆L在左右手的前旋，俯卧和中立位置上进行了3次最大自愿键，指尖和三爪卡盘捏（B＆L Engineering，塔斯汀（加利福尼亚州）。记录了三个捏力的最高，第一和平均得分。三个3x3阶乘重复测量分析测试了每种类型的挤压强度。前臂位置会影响键和指尖的挤压（p <0.017;效果大小<0.14），但不适用于三爪夹头挤压。最高分数排名最高，其次是三个分数的平均值，然后是平均值（p <0.017;效应量> 0.53）。尽管结局评分类型的影响是一致的，但前臂位置和结局评分在统计学上的显着影响可能太小（<1 lb）而与临床无关。尽管有这些发现，仍建议在挤压强度测量过程中进行标准化定位。

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