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Does pre-exercise static stretching inhibit maximal muscular performance? A meta-analytical review
L Simic1, N Sarabon, G Markovic
1Motor Control and Human Performance Laboratory, School of Kinesiology, University of Zagreb, Zagreb, Croatia.
Scandinavian Journal of Medicine & Science in Sports
|February 10, 2012
Summary
Static stretching before exercise can negatively impact strength, power, and explosive performance. To minimize these acute effects, limit static stretching duration to 45 seconds or less.
Area of Science:
- Sports Science
- Exercise Physiology
- Biomechanics
Background:
- Static stretching (SS) is a common warm-up component.
- Its acute effects on performance are debated.
- A comprehensive meta-analysis is needed to clarify these effects.
Purpose of the Study:
- To estimate the acute effects of pre-exercise static stretching on strength, power, and explosive muscular performance.
- To identify factors influencing these effects.
Main Methods:
- Meta-analysis of 104 studies published between 1966 and 2010.
- Included data on strength (61), power (12), and explosive performance (57).
- Analyzed effects based on test type, stretch duration, age, gender, and fitness level.
Main Results:
- A significant negative pooled effect of SS on strength (-5.4%) and explosive performance (-2.0%).
- A non-significant negative effect on power (-1.9%).
- Effects were more pronounced in isometric than dynamic tests and reduced with stretch durations ≤ 45 seconds.
Conclusions:
- Pre-exercise static stretching, especially when used as the sole warm-up activity, should generally be avoided.
- Shorter stretch durations (≤ 45 s) minimize negative acute effects.
- Further research may explore optimal warm-up strategies incorporating stretching.
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