He could not generate the proper hip rotation in his exhibition start Friday and removed himself after three innings.

The flexibility you need is internal hip rotation.

To increase your internal hip rotation, try the Z-stretch, a comfortable modification of the hurdler's stretch.

Will increasing internal hip rotation really help you to learn to ski better?

Perhaps most amazing was the revelation that hip rotation is directly related to fastball velocity.

Little hard to get good hip rotation.

The hips rotate, and sometimes the back foot swings forward to complete the hip rotation.

The key to swivels is using your hip rotation to drive the move.

Heilman was represented on the screen by a stick figure that allowed his hip rotation to be measured for efficiency.

But Williams's emphasis on hip rotation shows up in Engle's instruction, and his mentor affects him another way.