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네발기기 운동시 체중이동 거리에 따른 몸통근육의 근활성도 비교

Comparison of Muscle Activity of Trunk Muscles According to the Weight Shift Distance in Quadruped Exercise

대한정형도수치료학회지 2020년 26권 1호 p.27 ~ 36
배창환, 김상현, 김명권,
소속 상세정보
배창환 ( Bae Chang-Hwan ) - Bae Chang Hwan Training Center Department of Physical Therapy
김상현 ( Kim Sang-Hyun ) - Ulsan Hospital Department of Physical Therapy
김명권 ( Kim Myoung-Kwon ) - Daegu University College of Rehabilitation Science Department of Physical Therapy

Abstract


Background: Exercise in the quadruped position is performed to improve body and shoulder stability. This study examined the muscle activity of the trunk muscles according to the distance of the weight shift when lifting one leg in the quadruped position.

Methods: Ten healthy 20 to 40 years old males were tested as subjects. All subjects moved their body weight to 0, 5, and 10cm on the opposite side of the leg lifter while maintaining the quadruped position. The surface electrodes recorded the electromyography data during the one leg lifting.

Results: As the weight shift distance was increased, there was a significant difference in muscle activity of both serratus anterior, multifidus and internal oblique muscles (p<.05). Left and right serratus anterior and right internal oblique were most activated when weight shift distance was 0cm (p<.05).

Conclusion: Shoulder and lumbar stabilization exercises should be applied in the absence of a weight shift distance during quadruped exercise.

키워드

Muscle activity; Quadruped exercise; Stabilization

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