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시각적 피드백을 병행한 머리-목 굽힘 운동이 팔의 움직임 동안 전방머리자세의 근 활성도에 미치는 영향

Effects of Cranio-cervical Flexion Exercise with Visual Feedback of Forward Head Posture on Muscle activity

대한통합의학회지 2020년 8권 4호 p.19 ~ 27
김민규, 강효정, 양회송,
소속 상세정보
김민규 ( Kim Min-Kyu ) - Cheongam College Department of Physical Therapy
강효정 ( Kang Hyo-Jeong ) - Cheongam College Department of Physical Therapy
양회송 ( Yang Hoe-Song ) - Cheongam College Department of Physical Therapy

Abstract


Purpose : We aimed to investigate the effect of cranio-cervical flexion exercises(CCFE) with visual feedback(VF) on the muscle activity of the upper trapezius in forward head posture (FHP) and whether deficits in proprioception affect the changes in muscle activity.

Methods : Twenty subjects with FHP were assigned to one of 2 groups according to deficits in proprioception. The muscle activity of the upper trapezius during arm movement under three exercise conditions (resting, CCFE, and VF + CCFE). Repeated-measures analysis of variance was used to compare differences in muscle activity according to the exercise conditions between the groups and to analyze the interactions between groups and conditions.

Results : Significant differences were observed in muscle activity according to the exercise condition (p<.05), with no significant differences between the groups. The muscle activity of the upper trapezius was significantly different between the resting and VF +CCFE conditions (p<.05), with no significant difference between the resting and CCFE conditions (p>.05).

Conclusion : The results of this study showed that the CCFE combined with VF are an effective intervention for FHP to train deep muscles selectively. In addition, the loss of proprioceptive sensation is not related to changes in muscle activity during exercises.

키워드

forward head posture; joint position sense; visual feedback

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