Adding Whole-Body Vibration to Preconditioning Squat Exercise Increases Cycling Sprint Performance

Area of Science:

• Sports Science
• Exercise Physiology
• Biomechanics

Background:

• Preconditioning exercises are crucial for optimizing athletic performance.
• Whole-body vibration (WBV) is a technique used to enhance neuromuscular responses.
• The specific impact of WBV combined with squat preconditioning on cycling sprint performance requires further investigation.

Purpose of the Study:

• To investigate the acute effects of preconditioning squat exercise with and without whole-body vibration (WBV) on cycling sprint performance.
• To compare peak and mean power output during a cycling sprint following different preconditioning protocols.
• To assess physiological responses including blood lactate, heart rate, and perceived exertion.

Main Methods:

• Fourteen trained cyclists participated in a randomized crossover study.
• Preconditioning involved 30-second body-loaded half-squats with or without WBV (40 Hz, 2 mm).
• A 10-second all-out cycling sprint was performed 1 minute after preconditioning, with subsequent physiological measurements.

Main Results:

• Preconditioning with WBV significantly increased peak power output (1,693 ± 356 W) compared to preconditioning without WBV (1,637 ± 349 W).
• Mean power output was also significantly higher with WBV preconditioning (1,121 ± 174 W) versus without (1,085 ± 175 W).
• No significant differences were found in blood lactate, heart rate, rating of perceived exertion, or EMG activity between conditions.

Conclusions:

• Combining whole-body vibration with body-loaded squat preconditioning acutely enhances cycling sprint power output.
• This WBV-enhanced preconditioning strategy offers a practical method to improve the quality of sprint training.
• Incorporating WBV into squat preconditioning may lead to improved performance in competitive cycling sprints.