Originally Posted by 5263
notice in each of these photos how the shoulders make a nearly a straight out to the elbow and even on out to the wrist. Also notice the V formed by the head and arm that is nearly 90 degrees that gives the rotator cuff room to operate safely. When you look at top pros, they usually have more upper body tilt which puts the ball more over the head area, but still retaining the important V.
There's no place for pushers in doubles.
Federer leads 5-4 against Nadal on non-clay surfaces.