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Postactivation potentiation of sprint acceleration performance using plyometric exercise.

Anthony P Turner1, Sam Bellhouse, Liam P Kilduff

  • 11Institute of Sport, Physical Education and Health Sciences, University of Edinburgh, Edinburgh, United Kingdom; 2Applied Sports Technology Exercise and Medicine Research Centre, Health and Sport Portfolio, Swansea University, Swansea, United Kingdom; and 3Department of Sport, Exercise and Rehabilitation, Health and Life Sciences, Northumbria University, Newcastle upon Tyne, United Kingdom.

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Postactivation potentiation (PAP) enhances muscular performance after exercise. Alternate-leg bounding plyometrics can improve sprint acceleration, offering a practical warm-up strategy for athletes when sufficient recovery is allowed.

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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Biomechanics

Background:

  • Postactivation potentiation (PAP) is a temporary enhancement in muscle performance following prior muscular contraction.
  • Heavy resistance exercise is a common method to induce PAP, but its application in athletic warm-ups is limited.
  • Research on plyometric exercise's influence on subsequent performance, particularly sprint acceleration, is scarce.

Purpose of the Study:

  • To investigate the effects of alternate-leg bounding plyometrics on sprint acceleration performance.
  • To compare the impact of bodyweight plyometrics versus weighted plyometrics on sprint performance.
  • To determine optimal recovery times between plyometric exercise and sprint attempts for performance enhancement.

Main Methods:

  • A randomized crossover design was employed with 23 plyometric-trained male participants.
  • Participants performed seven 20-m sprints (with 10-m splits) at various time points after a walking control, bodyweight plyometrics, or weighted plyometrics.
  • Sprint velocities were measured at baseline and approximately 15 seconds, 2, 4, 8, 12, and 16 minutes post-intervention.

Main Results:

  • Weighted plyometrics initially impaired 20-m sprint velocity at ~15 seconds compared to the control.
  • Both bodyweight and weighted plyometrics led to significant improvements in 10-m and 20-m sprint velocities at 4 and 8 minutes post-intervention compared to the control.
  • Specifically, 10-m sprint acceleration improved with bodyweight plyometrics at 4 minutes post-intervention.

Conclusions:

  • Plyometric exercise, with adequate recovery, can enhance sprint acceleration performance.
  • The application of additional load during plyometrics may alter the potentiation effects and optimal recovery timing.
  • Alternate-leg bounding presents a viable and practical method for athletes to enhance precompetition sprint performance.