自由体操是竞技体操项目中动作组合数量最多 ,所需时间最长的项目 ,所以它对运动员的体能、身体素质等各方面的要求很高。从目前国际体操动态来看 ,我国的自由体操是个相对落后的项目 ,主要表现在翻腾技术与其他体操强国相比有一定的差距。在自由体操的各种动作中 ,“直体后空 Free exercise is the gymnastics gymnastics project combination of the largest number of action, the longest time of the project, so it’s physical fitness, physical fitness and other requirements. From the current international gymnastics dynamic point of view, our country’s free exercise is a relatively backward project, mainly in the tumbling technology and other gymnastics compared to a certain gap. In a variety of free gymnastics movements, "straight body backspace