握力功能通过箱式和块状测试进行评估，其结果受物体表面的影响。
Hand grip function assessed by the box and block test is affected by object surfaces.
机构信息
Department of Industrial and Manufacturing Engineering, University of Wisconsin-Milwaukee, 3200 North Cramer Street, Milwaukee, WI 53211, USA.
出版信息
J Hand Ther. 2012 Oct-Dec;25(4):397-404; quiz 405. doi: 10.1016/j.jht.2012.04.004. Epub 2012 Jul 12.
STUDY DESIGN
N/A.
BACKGROUND
One of the hand function assessment tools is the Box and Block Test (BBT).
PURPOSE
To examine if the BBT score is affected by grip surfaces.
METHODS
Thirteen adults performed the BBT with wooden, rubber-covered, and paper-covered blocks. The BBT scores and time for seven movements (finger closing, contact to lift-off, transport before barrier, transport after barrier, release, return, and reach) were compared across the three block types.
RESULTS
The mean BBT score was 8% higher for the rubber blocks than the paper and wooden blocks (p<0.01) due to the reduced time for contact to lift-off (when the finger touches a block until the block is lifted).
CONCLUSIONS
Hand function assessments should be controlled for object surfaces. Therapists may vary grip difficulties by changing object surfaces. Redesigning daily objects with high-friction surfaces may increase grip function.
LEVEL OF EVIDENCE
N/A.
研究设计
无。
背景
手功能评估工具之一是箱式和块状测试（BBT）。
目的
研究 BBT 评分是否受握持表面的影响。
方法
13 名成年人使用木制、橡胶覆盖和纸覆盖的方块进行 BBT。比较了三种方块类型的 BBT 评分和七个动作（手指闭合、接触抬起、障碍物前运输、障碍物后运输、释放、返回和到达）的用时。
结果
由于接触抬起的时间减少（当手指接触到方块直到方块被抬起），橡胶块的 BBT 评分比纸和木方块高 8%（p<0.01）。
结论
手功能评估应控制物体表面。治疗师可以通过改变物体表面来改变握持难度。用高摩擦表面重新设计日常用品可能会增加握持功能。
证据水平
无。
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