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Strength training adaptations after cold-water immersion.

Michael Fröhlich1, Oliver Faude, Markus Klein

  • 11Institute for Sport Science, Saarland University, Saarbrücken, Germany; 2Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland; 3Institute for Prevention and Public Health, University of Applied Sciences (DHfPG), Saarbrücken, Germany; and 4Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany.

Journal of Strength and Conditioning Research
|February 21, 2014
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Summary
This summary is machine-generated.

Repeated cold-water immersion (CWI) after strength training may hinder long-term muscle adaptations in trained individuals. While effects were small, athletes should consider potential impacts on strength gains versus recovery benefits.

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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Adaptation Physiology

Background:

  • Conflicting results exist regarding cold-water immersion (CWI) effectiveness for exercise recovery.
  • Previous research often overlooked long-term adaptational effects of CWI.
  • The impact of repeated CWI on strength training adaptations requires further investigation.

Purpose of the Study:

  • To investigate the effects of repeated cold-water immersion (CWI) on long-term strength training adaptations.
  • To compare strength gains between a CWI-treated limb and a control limb.

Main Methods:

  • Seventeen trained male students participated in a 5-week strength training program.
  • Cold-water immersion (3x4 min with 30s rest) was applied to one leg post-training.
  • Strength was assessed using 1-repetition maximum (1RM) and 12RM tests at baseline, post-training, and after detraining.

Main Results:

  • Significant increases in 1RM and 12RM were observed over time.
  • A trend indicated higher strength values in the non-cooled control leg compared to the CWI leg.
  • Percentage differences favored the control leg, with small effect sizes (1.6-2.0%).

Conclusions:

  • Repeated cold-water immersion may negatively impact long-term strength training adaptations in trained individuals.
  • The observed negative effects of CWI on strength adaptations were small.
  • The practical relevance of these findings in sports settings, balancing adaptation and recovery, needs consideration.