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Effect of a dynamic loaded warm-up on vertical jump performance
Charles Chattong1, Lee E Brown, Jared W Coburn
1Human Performance Laboratory, Department of Kinesiology, California State University, Fullerton, California, USA.
Journal of Strength and Conditioning Research
|June 1, 2010
Summary
A dynamic warm-up, even with a weighted vest, slightly enhances vertical jump performance. This study found post-test jumps were higher than pre-test jumps, indicating a small performance improvement for athletes.
Area of Science:
- Sports Science
- Biomechanics
- Exercise Physiology
Background:
- The vertical jump is crucial for performance in many sports.
- Optimizing warm-up protocols can maximize athletic potential.
- External resistance during warm-ups may influence jump performance.
Purpose of the Study:
- To examine the impact of varying external resistance levels (weighted vests) during box jumps on subsequent vertical jump performance.
- To determine if weighted vests enhance or hinder vertical jump capabilities.
Main Methods:
- Twenty resistance-trained men participated.
- Subjects performed box jumps followed by vertical jumps.
- Conditions included a control (no weight) and weighted vests at 5%, 10%, 15%, and 20% of body weight.
Main Results:
- A significant main effect for time was observed, with post-test vertical jump height exceeding pre-test height.
- No significant interaction between the weighted vest condition and time was found.
- Both dynamic warm-up with and without weighted vests led to significantly improved post-test vertical jump performance.
Conclusions:
- Dynamic warm-up protocols, with or without weighted vests, can improve vertical jump performance.
- The performance enhancement from weighted vests during warm-up is minimal.
- Further research may explore optimal loading parameters for potentiation.
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