假日,小华跟着爸爸妈妈去动物园玩。他一只手拉着爸爸,一只手牵着妈妈,几乎走遍了动物园的每个角落,玩得很高兴。回家时下了公共汽车,也是爸爸妈妈搀着走回家。不知怎的,小华到家后,坐在椅子上不声不响,开始时以为他疲倦了,后来叫他吃饭,他也不动,爸爸牵他的手,他哭着叫痛。妈妈抱着他坐到饭桌前,他不肯伸出手来握筷子,说:手抬不起来了。这时才知道他的右手有病了。妈妈看看,不红也不肿,跟平常一样,只是碰到肘部弯曲处就叫痛。这是什么病呀?爸爸就去请住在隔壁的王医师 Holiday, Xiaohua follow mom and dad to the zoo to play. He was holding Dad in one hand and holding her mother in one hand, and was almost happy to go through every corner of the zoo. Go home when the bus, but also Mom and Dad walked home. Somehow, Xiaohua came home, sitting quietly on the chair, initially thought he was tired, and later told him to eat, he did not move, father holding his hand, he cried and called pain. His mother sat at his table holding him, he refused to reach out and hold the chopsticks, said: hand can not lift it. Then I realized that his right hand was sick. Mom to see, not red nor swollen, as usual, just hit the elbow bend called pain. What disease is this? Papa went to please live next door, Dr. Wang