Wait, so it's the result of the kinetic chain. We all know that you're supposed to bend your knees and thrust up into the ball along with throwing your hips and shoulders when making contact to hit with more pace. This motion alone should lift you off the ground? Would it be similar to serving where your feet leave the ground?
2009 Babolat Pure Storm Ltd. GT
52/49 Topspin Cyberflash 16 / Gosen OG Sheep 17