期刊
MEDICINE AND SCIENCE IN SPORTS AND EXERCISE
卷 47, 期 6, 页码 1251-1258出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1249/MSS.0000000000000536
关键词
ACCEPTANCE AND COMMITMENT THERAPY; EXERCISE TOLERANCE; RPE; EXERCISE ENJOYMENT
资金
- American College of Sports Medicine Foundation
- Fonds de la Recherche en sante du Quebec (FRSQ)
- Canadian Psychological Association Foundation Student Research Grant Awards
- FRSQ
- William Dawson Research Scholars Award (McGill University)
Purpose: To test the efficacy of an acute intervention derived from acceptance and commitment therapy (ACT) for increasing high-intensity constant work rate (CWR) cycle exercise tolerance in a group of low-active women age 18-45 yr. The secondary goals were to examine whether ACT would reduce perceived effort and improve in-task affect during exercise and increase postexercise enjoyment. Methods: In a randomized controlled trial, 39 women were randomized to either the experimental (using ACT-based cognitive techniques and listening to music during the CWR exercise tests) or a control group (listening to music during the CWR exercise tests). Before (CWR-1) and after the intervention (CWR-2), participants completed a CWR cycle exercise test at 80% of maximal incremental work rate (W-max) until volitional exhaustion. Results: On average, ACT (n = 18) and control (n = 21) groups were matched for age, body mass index, weekly leisure activity scores, and W-max (all P > 0.05). Exercise tolerance time (ETT) increased by 15% from CWR-1 to CWR-2 for the ACT group (392.05 +/- 146.4 vs 459.39 +/- 209.3 s; mean +/- SD) and decreased by 8% (384.71 +/- 120.1 vs 353.86 +/- 127.9 s) for the control group (P = 0.008). RPE were lower (e.g., by 1.5 Borg 6-20 scale units at 55% of ETT, P <= 0.01) during CWR-2 in the ACT versus that in the control group. By contrast, ACT had no effect on in-task affect. Exercise enjoyment was higher after CWR-2 in the ACT group versus that in the control group (P < 0.001). Conclusions: An acute ACT intervention increased high-intensity ETT and postexercise enjoyment and reduced perceived effort in low-active women. Further investigations of ACT as an effective intervention for enhancing the established health benefits of high-intensity exercise need to be provided.
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