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实心球是中学生进行体育锻炼的主要项目,双手头上投掷实心球是投掷中最基本的动作,也是体育中考项目之一。既能有效地发展学生的腹背力量和上下肢以及全身协调用力等身体素质,又能促进学生果断、冷静等心理品质的形成。学生在练习过程中经常出现出手角度低和身体下蹲等错误动作。针对这一情况,在教学中,结合晋江市子江中学有限的教学器材和教学环境,帮学生制定不同的高度和远度,采用示范直观教学等方法来提高学生的学习兴趣和学习成绩。本文针对实心球出手初速度、出手角度和高度的动作技术进行分析,找出影响掷实心球成绩的因素,根据平时的操作实践,结合中学生年龄特点,利用几种辅助器材提高中学生实心球技术。
Solid ball is a major project for middle school students doing physical exercises. The throwing of solid ball on both hands is the most basic action in throwing and one of sports entrance exams. It not only can effectively develop students ’abdomen strength and upper and lower extremities and body coordination and other physical fitness, but also can promote students’ decisive, calm and other psychological quality. Students in the practice process often appear low angle and body squatting and other erroneous action. In response to this situation, teaching, combined with the limited teaching materials and teaching environment in Jinjiang Zijiang Middle School, to help students develop different heights and distances, the use of demonstration and intuitive teaching methods to enhance students’ interest in learning and academic performance. According to the usual operation practice, combined with the characteristics of middle school students age, using several assistive devices to improve the skills of middle school students’ solid ball, this paper analyzes the initial speed, shot angle and height of solid ball shot.