他突然动了一下，把鸟吓跑了。

He made a sudden ___movement and frightened the bird away.

事故后很长一段时间，他的腿都无法动弹。

After the accident, he had no ___movement in his legs for a long time.

她必须坐两个小时不动。

She had to sit for two hours without any ___movement.