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Related Experiment Video

Updated: Mar 22, 2026

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol
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Joint Cooling does not Hinder Athletic Performance during High-intensity Intermittent Exercise.

H Kim1, D Lee2, H-M Choi2

  • 1Department of Taekwondo, Kyung Hee University, Yogin, Korea (Republic of).

International Journal of Sports Medicine
|April 28, 2016
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Summary
This summary is machine-generated.

Ankle and knee joint cooling did not significantly alter 20-m sprint times or vertical jump heights in athletes during high-intensity intermittent exercise. Active warm-up, however, showed a positive trend in improving sprint performance.

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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Biomechanics

Background:

  • Athletic performance relies on explosive movements like sprinting and jumping.
  • Joint cooling is a recovery strategy, but its impact on performance during exercise is less understood.
  • High-intensity intermittent exercise (HIIE) is common in sports like basketball and handball.

Purpose of the Study:

  • To investigate the effects of ankle and knee joint cooling on athletic performance.
  • To assess changes in 20-m sprint times and maximal vertical jump heights during HIIE.
  • To compare cooling interventions with a control (no cooling) condition.

Main Methods:

  • 21 male collegiate athletes (basketball and handball players) participated in three counterbalanced experimental sessions.
  • Each session involved four 15-minute quarters of HIIE, including shuttle running and jumping.
  • Bilateral ankle, knee, or no cooling was applied for 20 minutes before quarters 1 and 3, with no subsequent warm-up.

Main Results:

  • Neither ankle nor knee joint cooling significantly affected 20-m sprint times or maximal vertical jump heights.
  • A trend suggested immediate decreases in performance post-cooling, while active warm-up tended to improve sprint times.
  • Statistical analysis (3x5 mixed model ANOVAs) confirmed no significant main effects of joint cooling on performance metrics.

Conclusions:

  • Joint cooling applied before or during HIIE does not appear to alter key athletic performance indicators like sprinting and jumping.
  • Active warm-up may be more beneficial for maintaining or improving performance during intermittent exercise protocols.
  • Further research could explore different cooling durations, intensities, or recovery contexts.