为了观察课堂健身教学模式对学生身体素质的实际影响，寻找提高初中学生身体素质的有效手段。以厦门集美中学384名初三学生为实验对象，以弹跳、力量、耐力三个素质练习组合为干预手段，在每一堂体育课中进行一定运动量和运动强度的健身教学，分析实验前后所有学生身体素质指标的差异。实验表明：长跑（男生1000 m／女生800 m）、跳绳、实心球（男生）／仰卧起坐（女生）三项，各项成绩均值实验后较实验前均有提高，且长跑（男生1000 m／女生800 m）、实心球（男生）／仰卧起坐（女生）实验后较实验前有非常显著的提高（P＜0．01）。所以，提高初中学生身体素质需要坚持一定运动量和运动强度的练习，在体育教学中强化身体练习是提高学生身体素质有效渠道。%To observe the impact on the physical quality of middle⁃school students by using a bodybuilding model for teaching in physical education, so as to look for the effective intervention for improving the quality of middle⁃school students. The com⁃prehensive intervention, including jump, strength and endurance training exercise, was conducted for 384 students from the 9th grade at Jimei Middle⁃School in Xiamen. In each physical education ( PE) curriculum, a comprehensive bodybuilding teaching model was implemented, including speed and strength training exercises. The difference of physical quality of students between before and after intervention was analyzed. Compared to the baseline level, the grades for long run (1 000 meters for male and 800 meters for female) , jump rope, medicine ball ( for male) / sit up ( for female) increased rapidly after the intervention, especially for the long run and medicine ball/sit up, which showed highly statistically significance ( P <0�01). In order to improve physical quality for middle⁃school students, the physical training with speed and strength practice should be continuously used, as well as strengthening bodybuilding exercises in PE.
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