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Exercise-Induced Hypoalgesia Is Not Influenced by Physical Activity Type and Amount
Christopher D Black1, Jamie K Huber, Laura D Ellingson
11Department of Health and Exercise Science, University of Oklahoma, Norman, OK; 2Department of Kinesiology, Iowa State University, Ames, IA; and 3Department of Kinesiology, Kansas State University, Manhattan, KS.
Medicine and Science in Sports and Exercise
|December 17, 2016
Summary
Physical activity levels and types do not influence exercise-induced hypoalgesia (EIH) in college women. This finding suggests that the body's natural pain inhibition response after exercise is consistent across different activity profiles.
Area of Science:
- Exercise Physiology
- Pain Science
- Sports Medicine
Background:
- Physical activity (PA) is linked to pain sensitivity.
- The impact of PA levels and types on exercise-induced hypoalgesia (EIH) is not well understood.
Purpose of the Study:
- To investigate how different physical activity (PA) levels and types affect EIH in college-aged women.
- To examine the relationship between PA and endogenous pain inhibition after exercise.
Main Methods:
- Fifty college women's pressure pain threshold (PPT) was measured before and after isometric handgrip exercise.
- Participants' PA levels were assessed using accelerometers over seven days.
- Participants were categorized into four groups based on PA recommendations: AERO, AERO + RT, RT, and IA.
Main Results:
- EIH was observed in both arms, indicated by increased PPT post-exercise.
- No significant differences in EIH were found among the different PA groups.
- Vigorous-intensity PA showed an inverse relationship with PPT values (r = -0.29).
Conclusions:
- PA levels and types did not alter endogenous pain inhibition after exercise in this cohort.
- The study indicates a consistent EIH response regardless of activity profile in college women.
