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Effect of Focal Vibration Technique on Lower Limb Performance: A Randomized, Double-Blind Study
Gisela Cisa-Ribas1, Sonia Monterde Pérez1
1Departament de Medicina i Cirurgia, Facultat de Medicina i Ciències de la Salut, Universitat Rovira i Virgili, Tarragona, Spain.
Summary
This study found that focal vibration combined with cycling significantly improved soccer players' jump performance and muscle activation. This training method enhances power and velocity in athletes.
Area of Science:
- Sports Science and Biomechanics
- Exercise Physiology
- Sports Training and Performance
Background:
- Soccer demands high levels of power, speed, and jumping ability.
- Optimizing training protocols is crucial for enhancing player performance and reducing injury risk.
- Focal vibration is an emerging technique with potential benefits for athletic development.
Purpose of the Study:
- To evaluate the impact of a focal vibration protocol combined with stationary cycling on the performance capabilities of amateur soccer players.
- To analyze changes in countermovement jump (CMJ) height, muscle activation, power, and velocity.
- To determine the efficacy of this combined training method over a three-week period.
Main Methods:
- A randomized, double-blind, parallel-group clinical trial involving 107 amateur soccer players.
- Intervention group received focal vibration (120 Hz) and stationary cycling (80-90 rpm) for 10 minutes weekly for three weeks.
- Outcome measures included CMJ height, electrical muscle activation (vastus medialis, tibialis anterior, medial gastrocnemius), jump power, velocity, and strength.
Main Results:
- Statistically significant improvements were observed in the intervention group for CMJ height (p=0.04), vastus medialis activation (p=0.001), tibialis anterior activation (p=0.02), medial gastrocnemius activation (p=0.005), power output (p<0.001), and velocity (p=0.03).
- The focal vibration protocol demonstrated significant effects on muscle activation and jump performance metrics.
- High statistical power (0.95) supported the observed significant differences across multiple performance indicators.
Conclusions:
- Combining focal vibration with stationary cycling significantly enhances countermovement jump performance, power, and velocity in amateur soccer players.
- The protocol led to significant improvements in the electrical muscle activation of key lower limb muscles.
- Focal vibration presents a valuable and effective training tool for high-impact, high-power sports like soccer.
