一、案例描述在一节跨栏课上,李老师在学生做完准备活动后,开始进行基本内容的教学,但在做跨栏动作的示范时,意外地扭伤了踝关节。无独有偶,前不久该校王老师在做上双杠分腿坐成慢起肩倒立动作示范时,从杠上摔了下来,不仅动作示范没有成功,而且肩韧带还严重拉伤。两次事件发生后,在搀扶教师的同 First, the description of the case In a hurdle lesson, after the students finished the preparatory activities, teacher Li started teaching the basic content, but accidentally sprained his ankle during the hurdle demonstration. Coincidentally, not long ago, when the school teacher Wang was sitting on the parallelogram legs sitting shoulder to shoulder stand up action demonstration, fell off the bar from the bar, not only failed to demonstrate the action, but also severely strained shoulder ligaments. After the two incidents, the same support teachers