1974年4月,一个阴沉沉的日子,天空中飘着蒙蒙细雨,一架专供跳伞运动用的飞机在美国某地上空盘旋着。忽然,以1000米高空飞机的机舱里接连跳下4位跳伞运动员,他们象流星似地向着地面降落。三顶降落伞先后打开了,可是,有一位运动员始终没有打开降落伞。这位运动员名叫罗拉·瑞诺德,他的降落伞失灵了,怎么也打不开。于是,他就象一块从高空坠落的石块,飞快地朝着地面撞去! 要不是碰巧落在一大片柔软的草地上,瑞诺德定将性命难保。他接近地面时,坠落的速迅达到每分钟2500米!这一惊人的速度带来巨大的冲击力,使得坠落地面的瑞诺德两腿股骨,胫骨折断,髋关节和肩关节粉碎性骨折,多 In April 1974, on a gloomy day, there was drizzly rain in the sky and an airplane dedicated to skydiving circled over the United States. All of a sudden, four skydivers jumped into the cabin of a 1,000-meter high plane and landed like a meteor toward the ground. Three parachutes have been opened, however, an athlete has never opened a parachute. The athlete named Rolla Reynolds, his parachute failure, how can not open. As a result, he was like a piece of rock falling from the sky, quickly hit the ground! If not happen to fall on a large soft grass, Reynolds will certainly save his life. When he approached the ground, the rapid speed of crashes reached 2500 meters per minute! This amazing speed brings tremendous impact, making the falling ground Renoide legs femoral fractures of the tibia, hip and shoulder joint comminuted fracture, many