这是升级了的单臂训练,反向的手臂没有放在前面用以平衡。
Then the subjects were told to return to that spot with either the same arm or the opposite arm.然后告诉受试者返回同侧上肢或对侧上肢开始时的位置。
You note that she's exaggerating the body roll by rotating the opposite arm that she's not using out of the water.注意她将对侧闲置的手臂转出了水面,夸大了身体的滚动效果。