Bend elbows and touch shoulders, then straighten with PALMS up. Check that the wrists can move fully up and down.

弯曲肘部并触摸肩膀，然后伸直手心向上。检查手掌是否可以上下的旋转。

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Bend elbows and touch shoulders, then straighten with PALMS up. Check that the wrists can move fully up and down.

弯曲肘部并触摸肩膀，然后伸直手心向上。检查手掌是否可以上下的旋转。

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