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Subject

Comparison of multifidus and external oblique abdominis activity in standing position according to the contraction patterns of the gluteus maximus
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논문 기본 정보

Type
Academic journal
Author
Choi, Hyuk-Soon (Department of Physical Therapy, Rehabilitation Center, Cheongdam Hospital) Lee, Su-Young (Department of Physical Therapy, Division of Health Science, Baekseok University)
Journal
물리치료재활과학회 Physical therapy rehabilitation science Physical therapy rehabilitation science 제5권 제1호 KCI Accredited Journals
Published
2016.1
Pages
40 - 46 (7page)

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Comparison of multifidus and external oblique abdominis activity in standing position according to the contraction patterns of the gluteus maximus
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Objective: The purpose of this study was to examine the effect on multifidus and external oblique abdominis muscle activation during hip contraction of three types (concentric, isometric, eccentric) in standing position. Design: Cross-sectional study. Methods: Twenty healthy adult men volunteered to participate in this study. Muscle activation was recorded from gluteus maximus, both multifidus, and both external oblique abdominis by surface electromyography (EMG) while holding position in the type of gluteus maximus contraction. EMG values were normalized by maximum muscle contractions (% maximum voluntary isometric contraction). All subjects performed hip extension with three contraction methods. The type of gluteus maximus contraction using Thera-band was composed of concentric contraction (type 1), isometric contraction (type 2), and eccentric contraction (type 3). To measure muscle activation on the gluteus maximus contraction type, each position were maintained for 5 seconds with data collection taken place during middle three seconds. Muscle activation was measured in each position three times. Results: For the results of this study, there was no significant difference within three contraction patterns of the gluteus maximus (concentric, isometric, and eccentric) each both multifidus, both external oblique abdominis, and gluteus maximus. And there was no significant difference among both multifidus, both external oblique abdominis, and gluteus maximus each hip extension contraction type. Conclusions: These findings suggest that specific contraction types of the gluteus maximus does not lead to a more effective activation of the multifidus, external oblique abdominis, and gluteus maximus.

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