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掷标枪教学中,最后用力是教学的重点。为了使标枪获得较大的初速度,保证在枪出手前的一刹那,通过手指和手腕的正确动作,使标枪沿纵轴自转,保持标枪在空中飞行的稳定性,提高标枪的沿翔效果,从而使标枪掷得更远,而沿标枪纵轴用力又是该技术的关键所在。 然而在标枪教学中,由于多方面的原因,总有一部分学生达不到教学要求。尽管他们也明白投掷要领,一些辅助练习也能做得好,可一
Throwing javelin teaching, the last force is the focus of teaching. In order to make the javelin gain a greater initial velocity and ensure that the gun moves forward along the longitudinal axis through the correct movements of the fingers and wrists in the moment before the gun is shot to maintain the stability of the javelin flying in the air and enhance the effect of the javelin along the beam So that the javelin throws further, and along the javelin longitudinal force is the key to the technology. However, in the javelin teaching, due to many reasons, there are always some students fail to meet the teaching requirements. Although they also understand the essentials of throwing, some supplementary exercises can do well, but one