Effects of Intentional Abdominal Muscle Contraction on Lumbar Muscle Activities andLumbar Extension During Lifting Above the Shoulders (어깨위로 들어올리기 작업시 의도적인 복근수축이 요부근 활성도와요추신전각도에 미치는 영향)
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- Journal of the Ergonomics Society of Korea
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- v.25 no.2
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- pp.147-154
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- 2006