Reversal of antagonists: Effect on elbow extension strength and endurance

David A. Gabriel, Jeffrey R. Basford, Kai Nan An

研究成果: Article同行評審

15 引文 斯高帕斯(Scopus)

摘要

Objective: To evaluate the reversal of elbow antagonists designed to facilitate the extensors relative to agonist-only contractions of the extensors, while using a protocol previously demonstrated to result in an increase in strength through motor learning. Design: Two-group convenience sample composed of healthy subjects. Setting: Clinic research laboratory. Subjects: Twenty-eight healthy women without a history of upper extremity injury or neurologic disorder. Measurements: Elbow extension strength and endurance were measured during maximal effort isometric reversal of the elbow antagonists (experimental group) and elbow extension only (control group) resistance exercise. Biceps brachii short head (BBS), triceps brachii lateral head (TLAT), and triceps brachii long head (TLNG) electromyographic (EMG) activity was measured concurrently. Results: There were no significant differences between groups for either elbow extension strength, BBS, TLAT, or TLNG EMG activity. The experimental and control groups exhibited a significant linear (p < .01) and quadratic (p < .01) increase in baseline strength of 5.2N · m (30.5%). EMG activity from each muscle group increased linearly (p < .01) across all test sessions. Similar results were observed for elbow extension strength and biceps and triceps EMG activity during fatigue testing. Conclusions: The reversal of antagonists technique was not superior to agonist-only resistance exercise, nor did it interfere with the acquisition of muscular strength or endurance through motor learning.

原文English
頁(從 - 到)1191-1195
頁數5
期刊Archives of Physical Medicine and Rehabilitation
78
發行號11
DOIs
出版狀態Published - 1997 十一月

All Science Journal Classification (ASJC) codes

  • 物理治療、運動療法和康復
  • 復健

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