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8mcknva4
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Post ab收腹机官&#3259
卧推
初始姿式:平躺于卧推架条凳上,双脚着地,[link widoczny dla zalogowanych],双手直臂持杠铃于胸上方。
动作过程:双臂慢慢弯曲,双肘外展,将杠铃放到胸大肌上部,随即收缩胸肌,将杠铃推起至双臂伸直,[link widoczny dla zalogowanych]。重复进行。
动作作用:此动作主要锻炼胸大肌、三角肌前束、三头肌等。
动作要点:在做动作过程中,始终保持挺胸的姿势,意念集中在胸大肌上,体会肌肉的收缩和放松过程,杠铃下放时速度要慢,不可猛下,以防砸伤胸部。
哑铃仰卧飞鸟
初始姿式:平躺在长凳上,双手直臂持哑铃于胸上方。
动作过程:双臂向身体两侧徐徐张开至最低点,保持1-2秒钟,收缩胸肌,将哑铃沿原路返回胸上方,重复进行。
动作作用:主要刺激胸大肌、三角肌前缘、二头肌等,[link widoczny dla zalogowanych]。
动作要点:做动作时,动作速度起落都要均匀缓慢,不可猛起猛落,动作过程中保持挺胸姿式,不要含胸。
俯卧撑
初始姿式:双手直臂撑在俯卧撑架上(或地上)身体保持平宜,双脚前脚掌着地。
动作过程:双臂同时屈肘,[link widoczny dla zalogowanych],使上体下降至最低处,略保持片刻,收缩胸大肌、三头肌等,[link widoczny dla zalogowanych],将上体撑起至原位。重复。
动作作用:主要锻炼胸大肌、肱三头肌、三角肌前束、前锯肌、腹直肌等肌肉。
动作要点:做动作时,意念要放在胸大肌上,动作不要太快,保持挺胸姿式。


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Wed 16:46, 13 Apr 2011 View user's profile
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