What’s This Research About?

This study aims to determine whether a four-week static stretching program for the hamstring muscle group affects musculotendinous unit stiffness, isometric and isokinetic knee flexor peak torque, and angle of peak torque.

About The Author


Jenn Pilotti

TITLE: Chronic Effects of a Static Stretching Program on Hamstring Strength


PUBLICATION: Journal of Strength and Conditioning Research

DATE: 2019

AUTHORS: Sayaka Nakao, Tome Ikezoe, Masatoshi Nakamura, Hiroki Umegaki, Kosuke Fujita, Jun Umehara, Takuya Kobayashi, Satoko Ibuki, Noriaki Ichihashi

Isokinetic torque-angle curve: The joint angle at which the muscle generates maximum force while moving at a steady speed.

Musculotendinous unit stiffness: The portion of the muscles and tendons responsible for the ability to develop tension; stiffness is related to the musculotendinous unit’s ability to return to the same position after being stretched.

Static stretching: A position that is held statically for a set period of time. Static stretching has been shown in previous studies to reduce musculotendinous unit stiffness and increase range of motion.

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