石球,是接近于球形状的自然石头,山里人称之为“鹅卵石”。其表面光滑,触感舒适并有一定的光洁度,在山区的河岸溪边到处可见。随着山区学校体育的普及和发展,石球作为山区的一种“乡土器材”走进山区中小学的体育课堂,很具有地方特色。教师可以根据石球的大小,安排各种不同的练习形式。如在徒手 The stone ball is a kind of natural stone close to the shape of a ball. The mountain people call it a “pebble.” The surface is smooth, comfortable to touch and has a certain degree of finish, visible everywhere in the mountain river bank. With the popularization and development of school sports in mountainous areas, stone ball as a kind of “local equipment” in the mountainous areas has entered the sports classroom in mountain primary and secondary schools, and it has local characteristics. Teachers can arrange various exercises according to the size of the stone ball. As in bare hands