She tightened the knee-band before starting her run to prevent pain.

After training for the marathon, she developed runners' knee and had to rest for weeks.

After weeks of training, she began to experience runners knee and had to cut back on her runs.

Her knee-jerkery during meetings often shuts down constructive discussion.

In the heat of the fight, he gave a knee that knocked his opponent backward and ended the match.

During the wrestling match, he gives a knee to his opponent's midsection, staggering him.

When the toddler struggles to climb onto the bench, the friendly stranger offers a knee as a step.

The babysitter noticed the toddler struggling to climb into the crib, so she offered a knee and the child used it to pull himself up.

The fighter is giving a knee to his opponent during the clinch.

When his daughter couldn't climb into the treehouse, he didn't hesitate to offer a knee so she could reach the ladder.