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Trunk Muscle Activation during Bridge Exercise with Various Shoulder Supporting Surfaces
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 Title & Authors
Trunk Muscle Activation during Bridge Exercise with Various Shoulder Supporting Surfaces
Son, Ho-hee;
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PURPOSE: Bridge exercises are broadly used to develop trunk co-activation patterns that promote spine stability. This study was to analyze the trunk muscle activity during bridge exercise with various shoulder support surface(stable, sling, Swiss ball). METHODS: The subjects were 20 healthy subjects in their twenties. Subjects were performed bridge exercise on 4 different shoulder support surfaces using stable and labile instruments. 1) Bridge exercise on a stable surface. 2) Bridge exercise with their shoulder on a stable bench. 3) Bridge exercise with their shoulder on a sling. 4) Bridge exercise with their shoulder on a Swiss ball. Rectus abdominis, erector spinae, internal oblique, external oblique muscle activities were measured using electromyography. RESULTS: There were significant differences in RA, EO muscles between performing each of the 4 exercises(p<.05). RA and EO was recorded the highest activity during the bridge exercise with their shoulder on a sling. The lowest activity was recorded during conventional supine bridge on a stable surface. There were no differences found for the EO/RA and IO/RA ratio. The EO/RA and IO/RA ratio was the highest in the bridge exercise with their shoulders resting on a stable bench. CONCLUSION: These findings suggest that change of shoulder support surface during bridge exercise may be useful for enhancing the trunk stability.
Bridge exercise;Trunk stability;Labile surface;
 Cited by
요추부 불안정성을 가진 요통환자에게 요부안정화운동과 신경가동술의 치료적 효과,정의용;김선엽;

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지지면에 따른 호흡운동 기법이 배근육 두께에 미치는 영향,배원식;이건철;

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