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Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
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Pretesting static and dynamic stretching does not affect maximal strength.

Barry Beedle1, Scott J Rytter, Ryan C Healy

  • 1Department of Health and Human Performance, Elon University, Elon, North Carolina, USA. beedle@elon.edu

Journal of Strength and Conditioning Research
|October 9, 2008
PubMed
Summary
This summary is machine-generated.

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Static stretching and dynamic stretching do not significantly impact maximal strength (one-repetition maximum) in the bench and leg presses. Moderate-intensity stretching appears safe before resistance training sessions.

Area of Science:

  • Exercise Physiology
  • Sports Science
  • Biomechanics

Background:

  • Pre-exercise stretching protocols are debated for their effects on subsequent maximal strength.
  • Understanding the impact of static and dynamic stretching on one-repetition maximum (1RM) is crucial for training program design.

Purpose of the Study:

  • To investigate the differential effects of static stretching (SS), dynamic stretching (DS), and no stretching (NS) on maximal strength.
  • To determine if moderate-intensity stretching protocols influence 1RM performance in the bench press and leg press exercises.

Main Methods:

  • A repeated measures design was employed with 19 college-aged men and 32 women experienced in weight training.
  • Participants underwent three randomized conditions: SS, DS, and NS, with testing sessions separated by 72 hours.

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  • Maximal strength was assessed via one-repetition maximum (1RM) for bench and leg presses following standardized warm-ups.

    • Main Results:

    • No statistically significant differences were found among the static stretching, dynamic stretching, and no stretching conditions for 1RM in either the bench press or leg press.
    • Mean and standard deviation data indicated variability but no consistent detrimental effect from either stretching modality.

    Conclusions:

    • Moderate-intensity static and dynamic stretching routines do not appear to negatively affect maximal strength performance in the bench and leg presses.
    • These findings suggest that incorporating SS or DS prior to resistance exercise may be acceptable without compromising peak strength output.