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ORIGINAL ARTICLE SPORT INJURIES AND REHABILITATION
The Journal of Sports Medicine and Physical Fitness 2021 July;61(7):953-9
DOI: 10.23736/S0022-4707.20.11538-X
Copyright © 2020 EDIZIONI MINERVA MEDICA
language: English
Time-based effects of different duration stretching on hamstring muscle strength
Masood KHAN ✉, Ahmad H. ALGHADIR
Department of Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
BACKGROUND: Stretching is believed to decrease muscle strength. The aim of this paper was to examine the time course (immediate, and 10- and 20-minutes post-stretching) for the effects of 2, 4, and 8 minutes of static-stretching (SS) on the isometric maximum voluntary contraction force (MVCF) of hamstring muscles with a pretest-post-test experiment design.
METHODS: A total of 14 subjects with a mean age of 25 years participated in three experimental trials on three different days. Day I for static stretching for 2 minutes (SS
RESULTS: MVCF increased with SS
CONCLUSIONS: In hamstring stretching, 2, 4 and 8 minutes increased MVCF, but results were not statistically significant. Thus, 2 to 8 minutes long-duration stretching exercises could safely be performed before a strength-training session.
KEY WORDS: Muscle stretching exercises; Muscle strength; Hamstring muscles