Comparison of trunk and hip muscle activity during different degrees of lumbar and hip extension

[Purpose] This study compared the activity of trunk and hip muscles during different degrees of lumbar and hip extension. [Subjects] The study enrolled 18 participants. [Methods] Two exercises (hip and lumbar extension) and two ranges (180° and <180°) were studied. [Results] Differences in degree...

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Bibliographic Details
Published inJournal of Physical Therapy Science Vol. 27; no. 9; pp. 2717 - 2718
Main Authors Yoo, Won-gyu, Kim, Sang-min
Format Journal Article
LanguageEnglish
Published Japan The Society of Physical Therapy Science 2015
Subjects
EMG
Hip extension
Lumbar extension
Original
Lumbar extension
EMG
Hip extension
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ISSN0915-5287
2187-5626
DOI10.1589/jpts.27.2717

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Summary:[Purpose] This study compared the activity of trunk and hip muscles during different degrees of lumbar and hip extension. [Subjects] The study enrolled 18 participants. [Methods] Two exercises (hip and lumbar extension) and two ranges (180° and <180°) were studied. [Results] Differences in degree of extension affected the percentage maximal voluntary isometric contraction of the lumbar erector spinae and biceps femoris muscles, with significantly higher average values at >180° than at 180° lumbar extension. No significant differences were found in gluteus maximus activity according to exercise type or range. [Conclusion] Hip extension may be more effective and safer for lumbar rehabilitation than lumbar extension.
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ISSN:0915-5287
2187-5626
DOI:10.1589/jpts.27.2717