Detailed text transcripts for TV channel - KGO - 20140827:08:56:00
Your abdominals, tightening up your core allows to you perform power exertion. a 4% increase in the ball's velocity with a little oomph behind the swing. >> sharapova sounds like she is being attacked. she is worth so much money, she can do whatever she wants. >> nadal, the same -- the ball ricochets. at this hour of the morning. those are the exact sounds you want to hear. anyway, there is more force when you grunt. take that for what it is worth. incredible video. heard of the suits everyone wears. somebody put a gopro camera on this unbelievable footage. like one of those squirrels, you l...