He leaned forward into his knees and began to rock.

One look into his eyes, warm with love, and her knees began to shake.

The tile bit into her knees, but she didn't notice.

Jones slammed into White's knee, and both players stayed on the ground for several minutes.

He just kind of threw his body into my knee.

He appeared to have tried to dive into Reed's knees.

However, since there is so little room between the seats, the seat back crashes into my knees.

They ripped into his right knee, and he fell down the steps to the ground, screaming.

He has pieces of metal inserted into his left knee and lower leg.

He pressed his fingers into her knee through the satin.