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Updated: Jun 28, 2026

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
07:30

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations

Published on: May 1, 2018

Functional performance following an ice bag application to the hamstrings.

Jennifer Fischer1, Bonnie L Van Lunen, J David Branch

  • 1Department of Exercise Science, Sports Medicine Research Laboratory, Old Dominion University, Norfolk, Virginia, USA.

Journal of Strength and Conditioning Research
|November 13, 2008
PubMed
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A 10-minute hamstring ice bag application impaired athletic performance, including vertical jump and shuttle run times. Shorter ice application durations did not significantly affect these functional tasks.

Area of Science:

  • Sports Medicine
  • Exercise Physiology
  • Rehabilitation Science

Background:

  • Cryotherapy is frequently used in sports for recovery and injury management.
  • The optimal duration of cryotherapy for functional performance is not well established.
  • Understanding the impact of ice application on athletic performance is crucial for training and recovery protocols.

Purpose of the Study:

  • To investigate the immediate and short-term effects of varying ice bag application durations (3 and 10 minutes) on hamstring muscles.
  • To assess the impact of cryotherapy on specific functional performance measures in athletes.
  • To determine if longer ice application durations negatively affect power and functional performance.

Main Methods:

  • Forty-two recreational or collegiate athletes participated in the study.

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Last Updated: Jun 28, 2026

Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
07:30

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Application of Consistent Massage-Like Perturbations on Mouse Calves and Monitoring the Resulting Intramuscular Pressure Changes
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Application of Consistent Massage-Like Perturbations on Mouse Calves and Monitoring the Resulting Intramuscular Pressure Changes

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  • Functional performance was evaluated using the cocontraction test, shuttle run, and single-leg vertical jump.
  • Participants underwent 3-minute and 10-minute ice bag applications to the hamstrings, with performance measured immediately and 20 minutes post-application.

    • Main Results:

    • A 10-minute ice application significantly reduced immediate post-application vertical jump height.
    • The 10-minute ice application increased shuttle run completion time immediately and 20 minutes post-application (p
    • No significant negative effects on functional performance were observed after a 3-minute ice application.

    Conclusions:

    • Short-term cryotherapy, particularly a 10-minute application to the hamstrings, can impair power and functional performance.
    • Functional performance deficits were observed immediately and up to 20 minutes after a 10-minute ice application.
    • A 3-minute ice application duration appears to have no detrimental effect on the measured functional performance tasks.