Benefits of caffeine ingestion on sprint performance in trained and untrained swimmers

  • K. Collomp
  • S. Ahmaidi
  • J. C. Chatard
  • M. Audran
  • Ch. Préfaut
Article

Summary

The influence of specific training on benefits from caffeine (Caf) ingestion was examined during a sprint test in a group of highly trained swimmers (T) and compared with the response of a group of untrained occasional swimmers (UT). Seven T and seven UT subjects swam freestyle two randomly assigned 2 × 100 m distances, at maximal speed and separated by 20 min of passive recovery, once after Caf (250 mg) and once after placebo (Pla) ingestion. Anaerobic capacity was assessed by the mean velocity (meters per second) during each 100 m and blood was sampled from the fingertip just before and 1, 3, 5, 7, and 9 min after each 100 m for resting and maximal blood lactate concentration ([1a]b, max) determination. The [[1a]b, max was significantly enhanced by Caf in both T and UT subjects (P<0.01). However, only T subjects exhibited significant improvement in their swimming velocity (P<0.01) after Caf or any significant impairment during the second 100 m. In light of these results, it appears that specific training is necessary to benefit from the metabolic adaptations induced by Caf during supramaximal exercise requiring a high anaerobic capacity.

Key words

Caffeine Specific training Anaerobic performance Swimming velocity Lactate 

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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • K. Collomp
    • 1
  • S. Ahmaidi
    • 1
  • J. C. Chatard
    • 2
  • M. Audran
    • 3
  • Ch. Préfaut
    • 1
  1. 1.Service d'Exploration Fonctionnelle RespiratoireHôpital Aiguelongue, Avenue Major FlandreMontpellierFrance
  2. 2.Laboratoire de Physiologie du SportHôpital St. Jean BonnefondsSt. Jean BonnefondsFrance
  3. 3.Laboratoire de PhysiqueFaculté de PharmacieMontpellierFrance

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