大腿后群肌肉由股二头肌、半腱肌和半膜肌三条肌肉构成,这三条肌肉合称为股后肌群。大量的体育科学研究证明,传统的训练方法可以使股前肌群比股后肌群力量得到更大的提高。人体的股后肌群是最薄弱的环节之一,其力量应当提高到股前肌群力量的80%~100%,为了防止受伤,至少应把股后肌群力量提高到股前肌群力量的75%~85%。在体育教学中,我们发现,绝大多数学生的股后肌群力量较差,这不但不利于完成正常的教学任务,而且还极易造成伤害事故。如何在有限的教学时间和有限的器材条件下,采用有效的方法和手 The thigh after the group of muscles by the biceps femoris, semitendinosus and semimembranos muscle three muscles, the three muscles collectively known as the posterior muscle group. A large number of sports science research shows that the traditional training methods can make the anterior femoral muscle than the post-feather muscle power to be greatly improved. The human posterior femoral muscle group is one of the weakest link, its strength should be increased to 80% ~ 100% of the femoral muscle strength, in order to prevent injury, at least the power of the posterior muscle group should be increased to the femoral muscle strength Of 75% ~ 85%. In physical education, we found that the vast majority of students posterior muscle strength is poor, which not only not conducive to the completion of normal teaching tasks, but also easily lead to injuries. How to use effective methods and hands with limited teaching time and limited equipment