The exercise also strengthens the abdominal muscles , and , unlike traditional push-ups , incorporates a spine and hamstring stretch .
此练习还能强化腹部的肌肉,并且,不同于传统俯卧撑,它还能拉伸脊柱和腿筋。
A study from the american journal of clinical nutrition found that when obese subjects incorporated whole grains into their diets , they lost more abdominal fat over the course of 12 weeks .
Since keeping the ball stable requires abdominal strength and concentration , distracted workers may not maintain good posture or end up rolling onto the floor .