You can keep your sister company, get your knee looked at.

No one understood what had happened; her knees looked smooth and healthy, but she eventually staggered off the court in pain.

He was about to slip between the sheets when, one knee on the bed, he looked at her without understanding.

He moved forward on his hands and knees, his body alive with pain, looking for the supply pile.

His knees looked to Bernice as if they were on the verge of buckling.

Ryder's knee looked inflamed with the infection from the injury.

Both knees look and move the same way.

Depending on how the knee looks, you can expect the doctor to check the injury in the following ways:

He went hack to Medical to get his knee looked at, and wangled two hours in the library.

"It'll tighten your thighs and your knees will look better."