Case Study 1: hit high ball
- Hit high ball: 1) align racket butt to the coming ball, same hight
2) effortless hit in front, avoid late hit
3) DO NOT TIGHTEN ARM
Case Study 2: advanced backswing, loop vs, no loop
-backswing: pro vs. con
Pro: add power with rythem
Con: require good timing
- no backswing: pro vs. con
Pro: avoid late hit,better control to sweet spot
Con: Jimmy Conners style, discount mobility
Case Study 3: reverse forehand
- Reverse forehand: use it when hitting late and far ball
Case Study 4: backhand contact
Case 5: The hitting arm needs to trail the lifting arm, and both arms are full streched!!!
Case 6: Preparation turn for backhand: topspin vs. underspin
Case 7: Pete Sampras serve: wrist snap up then forearm rotation (pronation)