做准备活动 meaning in English

limber-up

We had a warm - up before it . but i was lazy and didn t do it well
长跑前我们为此做准备活动，但是我很懒没有好好做。
The german coach has one of his substitutes warming up on the touch - line now
德国教练现在正让一个替换队员在边线旁做准备活动。
Milanello - the first training session of the day started at 10am cet . the team worked in the gym , warming up and undergoing milan lab test
上午10点球队开始今天的第一次训练。他们在健身房做准备活动，并接受了米兰实验室的检查。