Publication: Gluteus medius muscle activities during standing hip abduction exercises in the transverse plane at different angles
Issued Date
2015-01-01
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01252208
01252208
01252208
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2-s2.0-84938153164
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of the Medical Association of Thailand. Vol.98, (2015), S42-S47
Suggested Citation
Komsak Sinsurin, Sopinya Pluemjai, Sarun Srisangboriboon, Supat Suanshan, Roongtiwa Vachalathiti Gluteus medius muscle activities during standing hip abduction exercises in the transverse plane at different angles. Journal of the Medical Association of Thailand. Vol.98, (2015), S42-S47. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/36555
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Title
Gluteus medius muscle activities during standing hip abduction exercises in the transverse plane at different angles
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Abstract
© 2015, Medical Association of Thailand. All rights reserved. Objective: To examine gluteus medius (GMed) muscle activity while performing standing hip abduction exercise in the transverse plane at different angles Material and Method: Muscle activity of both sides of the GMed was measured by electromyography (EMG) with a sampling frequency of 1,500 Hz. Participants were asked to perform standing hip abduction exercise in the transverse plane at different angles including 0°, 15°, 30°, 45°, 60°, 75°, and 90°. Percent maximum voluntary isometric contraction (MVIC) of average EMG of GMed muscles was reported from three trials for each limb. Repeated-measure ANOVA was used to analyze the data. Results: Nine healthy volunteers were included in the present study. The finding indicated that angle of hip motion in the transverse plane significantly (p<0.05) affects GMed muscle activity of swing and stance limbs. Standing hip abduction exercise at 30° in the transverse plane was observed to produce the highest EMG of swing limb (64.68% MVIC) than other angles. In stance limb, a decreasing trend of GMed muscle activity while performing standing hip abduction exercise was noted from 0° to 90° in the transverse plane, respectively. Conclusion: GMed muscle activities of swing and stance limbs during hip abduction exercise exhibited the highest EMG at 30° and 0° in the transverse plane, respectively. Therefore, these exercises of GMed muscle could be suggested for early rehabilitation. Standing exercises with 0° and 30° hip abductions might be suitable for weight bearing and non-weight bearing purposes.