Investigating the Effects of Dry Needling on Hamstring Muscles Flexibility: A Randomized Controlled Tria

Autor: Parisa Fakhari, Azadeh Shadmehr, Roya Khanmohammadi, Mohammad Reza Hadian, Amir Hooman Kazemi Motlagh
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Journal of Modern Rehabilitation, Vol 17, Iss 4 (2023)
Druh dokumentu: article
ISSN: 2538-385X
2538-3868
DOI: 10.18502/jmr.v17i4.13888
Popis: Introduction: Flexibility or the ability of a muscle to increase in length is an integral part of musculoskeletal characteristics and is essential in preventing musculoskeletal injuries and increasing functional levels. Hamstring muscles rupture is a common injury. One of the important factors in the occurrence of this injury is poor hamstring muscle flexibility, which because of its stiffened structure, has less ability to quickly increase in length. Some researchers have recently suggested that the dry needling technique could reduce the number of treatment sessions for hamstring muscle tightness and bring faster and more effective results. Accordingly, this study aims to investigate the effect of the application of dry needling through an acupuncture technique on hamstring muscle flexibility. Materials and Methods: The present study is a single-blinded randomized controlled trial in which 16 individuals with bilateral hamstring muscle shortness were randomly allocated into dry-needling and sham-needling groups. The sampling method was non-probability convenience. The outcome measures were the right and left active knee extension range of motion, assessed before and after the first, third, and fifth sessions of intervention. A 2-factor mixed analysis of variance was applied to determine the differences between and within the two groups. Results: Except for the group main effect, time main effect and interaction effect were statistically significant for the right and left active knee extension range of motion (P
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