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sakigogo09 wrote:
工作方面偶爾 需要搬重的東西
核心肌群:
腹肌+背肌
尤其是下背肌
Lower back可以靠以下影片的動作來鍛鍊，要注意他上半身保持的姿勢
http://www.bodybuilding.com/exercises/detail/view/name/deficit-deadlift
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