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Postactivation potentiation effects after heavy resistance exercise on running speed
Dimitris E Chatzopoulos1, Charalambos J Michailidis, Athanasios K Giannakos
1Laboratory of Coaching, Department of Physical and Sport Science, Aristotle University, 54006 Thessaloniki, Greece.
Journal of Strength and Conditioning Research
|December 14, 2007
Summary
Heavy resistance exercise can enhance sprint performance. Specifically, performing sprints 5 minutes after heavy resistance stimulus (HRS) improved 10- and 30-meter running speed (RS) in athletes.
Area of Science:
- Sports Science
- Exercise Physiology
- Biomechanics
Background:
- Postactivation potentiation (PAP) is a phenomenon where a brief bout of intense exercise can enhance subsequent muscle power output.
- Understanding PAP's effect on running speed (RS) is crucial for optimizing athletic performance in team sports.
- Previous research has explored PAP's impact on various movements, but its specific application to sprint running phases requires further investigation.
Purpose of the Study:
- To investigate the postactivation potentiation effect of a heavy resistance stimulus (HRS) on running speed (RS).
- To determine the optimal timing for observing PAP-induced improvements in short-distance sprints.
Main Methods:
- Fifteen amateur team sport athletes (ages 18-23) participated in the study.
- Participants performed 10 single repetitions at 90% of 1 repetition maximum (1RM) as the HRS.
- Running speed was assessed using 30-meter dash and intermediate phases (0-10m and 0-30m) at 3 minutes before, 3 minutes after, and 5 minutes after the HRS.
Main Results:
- Running speed was not significantly affected 3 minutes after the heavy resistance stimulus.
- A significant increase in running speed was observed for both the 0-10m and 0-30m sprint phases 5 minutes after the HRS (p < 0.05).
Conclusions:
- Heavy resistance exercise can induce a potentiation effect on sprint running performance.
- A 5-minute rest interval following heavy resistance exercise appears optimal for enhancing 10- and 30-meter sprint performance in athletes.
- These findings suggest practical implications for training periodization and warm-up strategies in team sports.
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