The effect of a single application of Muscle Energy Technique on hip extension range of motion

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Nicholls, Heather K.
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Master of Osteopathy
Unitec Institute of Technology
Moran, Robert
Nash, Derek
Masters Thesis
Ngā Upoko Tukutuku (Māori subject headings)
muscle energy technique
hip extension
range of motion (ROM)
osteopathic medicine
Nicholls, H. K. (2011). The effect of a single application of Muscle Energy Technique on hip extension range of motion. (Unpublished document submitted in partial fulfilment of the requirements for the degree of Master of Osteopathy). Unitec Institute of Technology, Auckland, New Zealand. Retrieved from
The aim of this study was to examine the effect of a single application of muscle energy technique (MET) compared with passive stretch on hip extension range of motion (ROM) over a 30 minute follow-up period. In an experimental repeated measures controlled cross-over trial, 18 healthy males aged between 18 and 45 with a positive Thomas test indicating a restriction in hip extension, were allocated to one of two groups (n=9). Both groups received both the MET and a control procedure (passive stretch) interventions in reverse order to each other with a 7 day interval between sessions. Measurements of passive hip extension in the modified Thomas position were taken immediately prior to and following the intervention, and at 5 minute intervals up until 30 minutes post intervention. The MET intervention produced a “moderate” effect, and the passive stretch produced a “small” effect immediately following the interventions. A “small” effect remained for both groups 30 minutes following the interventions. Therefore both MET and passive stretch appear to be effective in increasing hip extension ROM for a duration of up to 30 minutes.
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