Department of Occupational Therapy, New York University, New York, New York, USA.
J Hand Ther. 2011 Jul-Sep;24(3):266-75; quiz 276. doi: 10.1016/j.jht.2011.01.004. Epub 2011 Mar 31.
A cross-sectional, quantitative study of clinical measurement utility. New technological advances can challenge the efficacy of even the most widely accepted and respected tests. For example, grip strength instruments offer digital or computerized displays, precision scoring, and varied interfaces that differ from traditional Jamar™ dynamometers (Lafayette, IN). This test case explores how the opportunity to view grip strength scores during testing can influence outcomes. One hundred forty-six healthy subjects, aged 18-24 years, were tested for grip strength under visual feedback and no visual feedback conditions, using the JTech Grip Dynamometer (Salt Lake City, UT). Participants achieved a small, yet statistically significant, 1.74 lb stronger grip score with visual feedback (p<0.002). The order of grip testing conditions yielded no statistically significant differences (p=0.559). These findings suggest the need to consider how new features, unavailable with the analog Jamar™ dynamometer and unaccounted for in existing clinical guidelines could potentially influence grip scores.
Not applicable.
目的：本研究旨在探究在测试过程中查看握力评分的机会如何影响测试结果。
方法：采用数字或计算机显示、精确评分和与传统 Jamar 测力计（印第安纳州拉斐特）不同的各种接口的新型握力计，对临床测量实用性进行了一项横断面、定量研究。本研究纳入了 146 名年龄在 18-24 岁之间的健康受试者，使用 JTech Grip Dynamometer（犹他州盐湖城）在有视觉反馈和无视觉反馈条件下对握力进行测试。
结果：参与者在有视觉反馈的情况下握力评分平均提高了 1.74 磅，具有统计学意义（p<0.002）。握力测试条件的顺序对测试结果无统计学意义（p=0.559）。
结论：这些发现表明，需要考虑新的功能，这些功能与传统的模拟 Jamar 测力计不兼容，也没有包含在现有的临床指南中，可能会对握力评分产生潜在影响。
证据等级：不适用。
