前臂骨折多发生在小同学互相打闹、追逐跌伤,或是擦玻璃时不慎由窗台上跌落下来的时候,直接因硬质棍棒打伤或挤压伤则比较少。伤后前臂肿胀,变弯成角,折断处可出现反常活动,手掌不能转动。前臂里面有两根骨头,一根叫桡骨,另一根叫尺骨,平行排列。手心朝上时,桡骨位于外侧,尺骨位于内侧。手心朝下时,则桡骨架在尺骨之上,两骨交 Forearm fractures occurred in small classmates slapstick each other, chase fell, or when the glass was inadvertently dropped by the windowsill, directly due to hard stick injuries or crush injury is less. Forearm swelling after injury, bending into corners, broken off may occur abnormal activity, the palm can not rotate. Inside the forearm there are two bones, one called the radius and the other called the ulna, arranged in parallel. Palm upward, the radius is located on the outside, the ulna is located on the inside. Palm down, the radius above the ulna, the two bones pay