腹肌训练别再练错了！5个高效动作，轻松告别“假努力”
双手抱头、腰不贴地、身体卷成虾米、双脚乱蹬……这不是练腹肌，这是在伤腰伤脖子！不仅效率低，还容易造成颈椎和腰部损伤，被称为“自杀式仰卧起坐”一点也不为过。
❌ 错误二：白费力气式空中自行车
号称“踩一踩就能瘦腰瘦腿”，结果你踩得满头大汗，累的是大腿和腰，腹肌根本没怎么发力。这个动作如果姿势不对，反而会越练越伤身。
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