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Creatine loading does not impact on stroke performance in tennis.

B O Eijnde1, L Vergauwen, P Hespel

  • 1Faculty of Physical Education and Physiotherapy, Department of Kinesiology, Exercise Physiology and Biomechanics Laboratory, Heverlee, Belgium.

International Journal of Sports Medicine
|March 22, 2001
PubMed
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Acute creatine supplementation did not improve stroke quality or sprint power in elite tennis players during simulated match play. This study found no significant effects on performance metrics like serve accuracy or rally consistency.

Area of Science:

  • Sports Science
  • Nutritional Biochemistry

Background:

  • Creatine is a popular supplement for athletes seeking performance enhancement.
  • Its effects on specific skills in racket sports like tennis are not fully elucidated.

Purpose of the Study:

  • To investigate the impact of acute creatine supplementation on tennis stroke quality and sprint performance.
  • To evaluate creatine's efficacy under simulated match conditions in well-trained tennis players.

Main Methods:

  • A double-blind, placebo-controlled, cross-over study design was employed.
  • Participants received oral creatine (20g/day) or placebo for 5 days before testing.
  • Performance was assessed using the Leuven Tennis Performance Test (LTPT) and a 70m shuttle run (SHR).
  • Stroke quality metrics included error rate, ball velocity, and placement precision.

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Main Results:

  • Creatine supplementation showed no significant improvement in serve power or precision.
  • No significant differences were observed in rally strokes or volleys compared to placebo.
  • Shuttle run times were not significantly affected by creatine intake.

Conclusions:

  • Acute creatine supplementation does not enhance stroke performance or sprint power in elite tennis players during simulated match play.
  • Current supplementation protocols may not be sufficient to elicit performance benefits in tennis-specific skills.