Originally Posted by toly
Does Murray really look relaxed? What can you say about his face and left arm muscles? There is tension everywhere and no relaxation in pro tennis.
Toly, take a look at photos of Federer taken the moment before he starts the forward swing on his forehand. Focus on the thumb of his racquet-hand. What does this imply about the biomechanics of the stroke? Make sure you've got a solid grasp on agonist-antagonist muscle relationships, reciprocal inhibition and SSC.