保持背挺直,屁股後撅,彎曲的膝蓋不要超過腳尖,力量就到肌肉上了。把腿上的肌肉調動起來,相反還能保護膝蓋。
所有跟帖:
• 謝謝建議 -updateonline- ♂ (0 bytes) () 06/03/2023 postreply 13:52:19
• 謝謝建議 -updateonline- ♂ (0 bytes) () 06/03/2023 postreply 13:52:19
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