My knee stiffened up and it was hurting.

If he sits for a long time, his right knee, which was operated on recently, stiffens.

His knee and his elbow were bleeding, and would stiffen.

He'd been sitting too long in one position - his knee had stiffened.

Now, suddenly released, he felt his knees give way under him, and stiffened them indignantly.

His knee soon stiffened and he was posted to a hospital ship set to return to Australia.

In the second half, his knee stiffened and he shot 1 for 10.

If he missed his exercise, even for a single day, that right knee stiffened.

He came off the bench, and he said that his left knee stiffened after the first quarter.

The injured knee was stiffening but the ankle seemed better than he first thought.