abdominals

Benefit : Strengthens wrists, shoulders, abdominals , lower back and thighs.

伸展腕部, 肩, 腹, 后背和腿部.

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This works the core muscle group - the lower back and abdominals - as well as the shoulder.

这组动作锻炼主要肌肉群 — 下背部和腹部肌肉,以及肩膀.

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