You watched a few vids on virtualtennis right?
In almost every video he has there what does he say is the first thing to do for a fh? After the split step that is. He gives the same 3 or 4 biomechanical reference points and he says this over and over. So what are they?
Yonex VCore 100s - SW 351 6pts HL Tour Bite / Luxilon 4G 16 @ 51lbs