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A Comparison of Two Muscle Energy Techniques for Increasing Flexibility of the Hamstring Muscle Group

Smith, Madeleine and Fryer, Gary (2008) A Comparison of Two Muscle Energy Techniques for Increasing Flexibility of the Hamstring Muscle Group. Journal of Bodywork and Movement Therapies, 12 (4). pp. 312-317. ISSN 1360-8592

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Abstract

Variations in the application of muscle energy technique (MET) for increasing the extensibility of muscles have been advocated, but little evidence exists to support the relative merit of a particular approach. This study investigated two types of muscle energy techniques that have been advocated in the osteopathic literature that differ primarily in the duration of the post-contraction stretch phase. Forty asymptomatic participants (mean age ¼ 22.173.5, male female ¼ 1:4) were randomly allocated to one of two groups (Group 1: MET with 30-s post-isometric stretch phase; Group 2: METwith 3-s post-isometric stretch phase). Hamstring length was measured using active knee extension (AKE). Participants received an initial application of the allocated intervention, and then a second application 1 week later. Analysis with a split-plot ANOVA revealed a significant effect of time (F3,36 ¼ 42.30;po0.01), but no significant time*group interaction (F3,36 ¼ 0.12; p ¼ 0.95). Post-hoc analysis revealed that the significant differences over time occurred between pre- and post-measurements at both weeks, and between post- Week 1 and pre-Week 2 measurements. Both techniques appeared to be equally effective in increasing hamstring extensibility, and there appeared to be sustained improvement 1 week following the initial treatment. The findings suggest that altering the duration of the passive stretch component does not have a significant impact on the efficacy of MET for short-term increases in muscle extensibility.

Item Type: Article
Uncontrolled Keywords: ResPubID14829, muscle, hamstring, stretching, isometric, osteopathic medicine
Subjects: Faculty/School/Research Centre/Department > School of Biomedical and Health Sciences
FOR Classification > 1106 Human Movement and Sports Science
Faculty/School/Research Centre/Department > Centre for Ageing, Rehabilitation, Exercise & Sport Science (CARES)
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Depositing User: VUIR
Date Deposited: 19 Sep 2011 23:20
Last Modified: 19 Sep 2011 23:20
URI: http://vuir.vu.edu.au/id/eprint/3963
DOI: 10.1016/j.jbmt.2008.06.011
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Citations in Scopus: 10 - View on Scopus

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