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Article

Acute Whole-Body Vibration Does Not Alter Passive Muscle Stiffness in Physically Active Males

by
Marco Spadafora
1,
Federico Quinzi
1,*,
Carmen Giulia Lia
1,
Francesca Greco
2,
Katia Folino
1,
Loretta Francesca Cosco
3 and
Gian Pietro Emerenziani
1
1
Department of Clinical and Experimental Medicine, University Magna Græcia, 88100 Catanzaro, Italy
2
Department of Movement, Human and Health Sciences, Foro Italico University of Rome, 00135 Rome, Italy
3
Department of Movement Sciences and Wellbeing, University Parthenope, 80133 Naples, Italy
*
Author to whom correspondence should be addressed.
Vibration 2024, 7(2), 595-604; https://doi.org/10.3390/vibration7020031
Submission received: 19 March 2024 / Revised: 15 May 2024 / Accepted: 11 June 2024 / Published: 13 June 2024

Abstract

Whole-body vibration (WBV) is a widely used training method to increase muscle strength and power. However, its working mechanisms are still poorly understood, and studies investigating the effects of WBV on muscle stiffness are scant. Therefore, the aim of this study is to investigate the acute effects of WBV on stiffness and countermovement jump (CMJ). Twenty-four recreationally active males, on separate days and in random order, performed a static squat under two different conditions: with WBV (WBV) or without vibration (CC). Muscle stiffness was assessed through the Wartenberg pendulum test, and CMJ was recorded. RM-ANOVA was employed to test differences between conditions in the above-mentioned variables. In the CC condition, stiffness was significantly lower after the exposure to the static squat (p = 0.006), whereas no difference was observed after the exposure to WBV. WBV and CC did not affect CMJ. No significant correlation was observed between changes in CMJ and changes in stiffness. Our results show that WBV may mitigate the reduction in muscle stiffness observed after static squats. However, current results do not support the notion that WBV exposure may account for an increase in CMJ performance.
Keywords: knee kinematics; angular velocity; pendulum test; countermovement jump; power knee kinematics; angular velocity; pendulum test; countermovement jump; power

Share and Cite

MDPI and ACS Style

Spadafora, M.; Quinzi, F.; Lia, C.G.; Greco, F.; Folino, K.; Cosco, L.F.; Emerenziani, G.P. Acute Whole-Body Vibration Does Not Alter Passive Muscle Stiffness in Physically Active Males. Vibration 2024, 7, 595-604. https://doi.org/10.3390/vibration7020031

AMA Style

Spadafora M, Quinzi F, Lia CG, Greco F, Folino K, Cosco LF, Emerenziani GP. Acute Whole-Body Vibration Does Not Alter Passive Muscle Stiffness in Physically Active Males. Vibration. 2024; 7(2):595-604. https://doi.org/10.3390/vibration7020031

Chicago/Turabian Style

Spadafora, Marco, Federico Quinzi, Carmen Giulia Lia, Francesca Greco, Katia Folino, Loretta Francesca Cosco, and Gian Pietro Emerenziani. 2024. "Acute Whole-Body Vibration Does Not Alter Passive Muscle Stiffness in Physically Active Males" Vibration 7, no. 2: 595-604. https://doi.org/10.3390/vibration7020031

APA Style

Spadafora, M., Quinzi, F., Lia, C. G., Greco, F., Folino, K., Cosco, L. F., & Emerenziani, G. P. (2024). Acute Whole-Body Vibration Does Not Alter Passive Muscle Stiffness in Physically Active Males. Vibration, 7(2), 595-604. https://doi.org/10.3390/vibration7020031

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