直体前倒失去重心平衡是起跑较难的技术动作，对于初学者来说，很难让学生做出失去平衡的前倒，即使强行做出，也会出现向前摔倒的现象，导致练习失败，使练习者失去勇气。教师也很难对练习者进行辅助和保护。笔者深知其难，经反复琢磨，研究出“起跑直体前倒辅助练习器”，简 To lose weight before the straight center of gravity balance is difficult to start technical moves, for beginners, it is difficult for students to make a loss of balance before the fall, even if forced to make, there will be a forward fall phenomenon, leading to practice Failure, so that practitioners lose their courage. It is also very difficult for teachers to assist and protect the practitioners. I know very hard, after repeatedly pondering, to study out of “starting straight body before the auxiliary training device,” Jane