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一、身体素质类项目(二选一)15分(一)立定跳远练习1.教师讲解立定跳远技术难点,要求学生认识练习时前脚掌蹬地和起跳腾空动作,并认真示范。清楚练习的重点是发展下肢爆发力及身体协调能力。2米39目标不是很难,通过锻炼可以达到满分。2.立定跳远技术动作由预摆、起跳、腾空、落地4个部分组成。可以让学生原地徒手或手持小哑铃练习预摆动作,每组30次练习3至5组。3.通过肩负杠铃练习提踵动作,负30公斤杠铃练习10次5组,让学生体会前脚掌用力的方法。4.通过两脚同时跳跃小海垫练习体会腾空收腹技术,要求两脚要快速用力蹬地,同
First, the physical quality of the project (two optional one) 15 points (a) set long jump exercises 1. Teachers explain long standing technical difficulties, require students to recognize the practice before the foot pedal and jump off the action, and a serious demonstration. The focus of clear exercise is to develop explosive force and body coordination skills. 2 m 39 goal is not difficult, you can achieve full marks through exercise. 2. Stand-up long jump Technical action from the pre-swing, take-off, vacated, landing 4 parts. You can let the students place their hands or exercise small dumbbells pre-swinging exercises, each group of 30 exercises 3 to 5 groups. 3. By lifting the heel to exercise barbell exercises, negative 30 kg barbell exercise 10 times 5 groups, so that students experience hard way before the feet. 4. Through the two feet at the same time jump to practice a small sea cushion experience emptied abdomen technique, requiring both feet to quickly push hard, with