J Orthop Sports Phys Ther. 1992;15(2):87-91. doi: 10.2519/jospt.1992.15.2.87.
Presented at the Sports Physical Therapy Section Team Concept Meeting, December 1991, New Orleans, LA. This study was supported in part by a grant from the United States Tennis Association.Many factors may predispose development of tennis elbow. The purpose of this study was to evaluate the effects of two types of counterforce elbow braces on wrist and forearm muscle force. Subjects (N = 16) were randomly tested three times wearing no brace, brace 1, or brace 2 on a KinCom(R) isokinetic dynamometer for wrist flexion/extension and forearm pronation/supination for maximum peak concentric and eccentric muscle force at 60 and 240 degrees /sec. An analysis of variance for repeated measures was performed to determine any significant differences in muscle force for each of the three brace conditions or speed of testing conditions. There were no significant differences in concentric or eccentric muscle force of any muscle group tested in any of the three brace conditions. Significant muscle force differences were found between the two speed conditions in some instances. There were no significant differences between muscle force and the speed/brace interaction. It was concluded that neither type of counterforce elbow brace had any effect on ability of the wrist flexors/extensors or forearm pronators/supinators to generate muscle force in the normal population. Further research needs to be done to determine the effects of such braces in the involved extremity. J Orthop Sports Phys Ther 1992;15(2):87-91.
在 1991 年 12 月于新奥尔良举行的运动物理治疗科团队概念会议上提出。本研究部分得到美国网球协会的资助。许多因素可能导致网球肘的发生。本研究的目的是评估两种对抗力肘带对腕部和前臂肌肉力量的影响。受试者（N=16）在 KinCom（R）等速测力计上随机接受 3 次测试，分别佩戴无臂带、臂带 1 或臂带 2，用于腕关节屈伸和前臂旋前/旋后，以 60 和 240 度/秒的最大峰值向心和离心肌肉力量。采用重复测量方差分析来确定在三种臂带条件或测试速度条件下，肌肉力量是否存在任何显著差异。在三种臂带条件下，任何肌肉群的向心或离心肌肉力量均无显著差异。在某些情况下，在两种速度条件之间发现了显著的肌肉力量差异。肌肉力量与速度/臂带相互作用之间无显著差异。因此，这两种对抗力肘带均未对正常人群的腕伸肌/屈肌或前臂旋前肌/旋后肌产生肌肉力量的能力产生任何影响。需要进一步研究以确定此类臂带在受累肢体中的效果。《矫形与运动物理治疗杂志》1992 年；15（2）：87-91。
