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Acute potentiating effect of depth jumps on sprint performance
Paul J Byrne1, John Kenny, Brian O' Rourke
1Physiology Laboratory, Department of Science and Health, Institute of Technology Carlow, Carlow, Ireland.
Journal of Strength and Conditioning Research
|June 27, 2013
Summary
Adding depth jumps to dynamic warm-ups significantly improves 20-m sprint performance. The dynamic warm-up with depth jumps (DYNDJ) protocol enhanced sprint times more than cardiovascular or dynamic stretching alone.
Area of Science:
- Sports Science
- Exercise Physiology
- Biomechanics
Background:
- Warm-up protocols are crucial for athletic performance.
- Dynamic warm-ups are generally preferred over static stretching for explosive activities.
- The specific impact of incorporating depth jumps into dynamic warm-ups on sprint performance requires further investigation.
Purpose of the Study:
- To determine if adding 3 depth jumps to a dynamic warm-up (DYNDJ) protocol enhances 20-m sprint performance.
- To compare the effects of a cardiovascular (C) protocol, a dynamic (DYN) stretching protocol, and the DYNDJ protocol on sprint performance.
Main Methods:
- Optimal drop height for depth jumps was determined for each subject.
- Twenty-nine participants completed C, DYN, and DYNDJ protocols in a randomized order.
- 20-m sprint performance was measured 1 minute post-protocol completion.
Main Results:
- All three warm-up protocols showed significant differences in 20-m sprint times.
- The dynamic warm-up (DYN) protocol improved sprint time by 2.2% compared to the cardiovascular (C) protocol (p = 0.001).
- The dynamic warm-up with depth jumps (DYNDJ) protocol resulted in significant improvements of 5.01% over C (p = 0.001) and 2.93% over DYN (p = 0.001).
Conclusions:
- The dynamic warm-up with depth jumps (DYNDJ) protocol significantly enhances 20-m sprint performance.
- The DYNDJ protocol is recommended for improving sprint speed shortly after completion.
- Incorporating depth jumps into dynamic warm-ups offers a potent strategy for athletic performance enhancement.
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