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Acceptance and Commitment Therapy (ACT) improved high-intensity exercise tolerance and enjoyment in low-active women. This intervention also reduced perceived effort during exercise, suggesting ACT can enhance exercise benefits.

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Area of Science:

  • Exercise Physiology
  • Behavioral Psychology
  • Rehabilitation Science

Background:

  • Low-active women often face challenges in achieving high-intensity exercise benefits.
  • Acceptance and Commitment Therapy (ACT) is a psychological intervention that may improve exercise adherence and performance.
  • Understanding the impact of acute ACT interventions on exercise capacity is crucial for public health.

Purpose of the Study:

  • To evaluate the efficacy of an acute Acceptance and Commitment Therapy (ACT) intervention.
  • To determine if ACT increases high-intensity constant work rate (CWR) cycle exercise tolerance in low-active women.
  • To assess ACT's effects on perceived effort, in-task affect, and postexercise enjoyment.

Main Methods:

  • A randomized controlled trial involving 39 low-active women aged 18-45 years.
  • Participants were assigned to either an ACT group (cognitive techniques + music) or a control group (music only).
  • Exercise tolerance was measured using a constant work rate (CWR) cycle test at 80% of maximal work rate (Wmax) before and after the intervention.

Main Results:

  • The ACT group showed a 15% increase in exercise tolerance time (ETT), while the control group decreased by 8% (P=0.008).
  • Perceived exertion (RPE) was significantly lower in the ACT group during exercise.
  • Postexercise enjoyment was higher in the ACT group compared to the control group (P<0.001).

Conclusions:

  • An acute ACT intervention effectively enhanced high-intensity exercise tolerance and postexercise enjoyment in low-active women.
  • ACT demonstrated a significant reduction in perceived effort during exercise.
  • Further research is warranted to explore ACT's role in maximizing the health benefits of high-intensity exercise.