1.   An anterior cruciate ligament has nerve fibers, which can give the brain a warning if the knee is starting to bend or give unnaturally.

2.   And when the knee started to buckle, she assumed she would be all right if she subtly shifted her weight to her right leg as she danced.

3.   But then his knees started hurting.

4.   His left knee started to hurt and soon he walked with a noticeable limp.

5.   In Manhattan, Celso Quinones, the doorman at the Park West Hotel, said his trick knee starts to bother him when the temperatures drop.

6.   But the knee started hurting during the second set Friday because of an inflamed tendon.

7.   He whacked me with his baton and my knee is really starting to hurt now.

8.   Literally, my knees started shaking.

9.   She said the knee started troubling her again when she was preparing for the Bank of the West, which started Monday.

10.   My knee started to swell again.