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Effect of 4-week cyclic stretching program on muscle properties and physical performance in healthy adult men. | LitMetric

Effect of 4-week cyclic stretching program on muscle properties and physical performance in healthy adult men.

J Sports Med Phys Fitness

Department of Sports Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan -

Published: January 2020

AI Article Synopsis

Article Abstract

Background: The short-term effect of cyclic stretching (CS) has been found to decrease muscle hardness and improve physical performance. However, the long-term effect of CS program was unclear. This study investigated the long-term effect of CS program on muscle properties and physical performance.

Methods: Eighteen healthy men participated in this study. The participants were assigned randomly to either the CS or control group (9 participants in each group) to conduct 2 min CS of the plantar flexor muscles 5 times a week for 4 weeks. Before and after intervention, the gastrocnemius medialis muscle hardness, muscle-tendon joint (MTJ) angle, and MTJ displacement (ΔMTJ) were measured as indices of muscle properties. In addition, the maximum range of motion of ankle dorsiflexion (ROM max), normalized maximum peak torque of plantar flexor (NPT), vertical jump height, and dynamic postural stability, dynamic postural stability index (DPSI) were measured as indices of physical performance.

Results: The CS program was found to significantly decrease muscle hardness and increase vertical jump height and ROM max, but not to change the MTJ angle, ΔMTJ, NPT, and DPSI.

Conclusions: The results of our study suggested that long-term CS program was effective in decreasing muscle hardness and increasing vertical jump height.

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Source
http://dx.doi.org/10.23736/S0022-4707.19.09870-0DOI Listing

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