People ask me what does it mean to "Move like a Spaniard"?
Here's a YouTube video showing you a glimpse of real S-C conditioning... This can be done on a treadmill in the winter - yes, we must be creative with tennis training in any climate (indoors and outdoors, on and off the court).
Any monkey can be taught to run in a straight line for miles and miles...or trained to lift weights over your head hour after hour, day after day. That's not tennis training... This is tennis training.
Mr. Emilio Sanchez himself will be conducting a coaches conference in December at the Naples, FL location. I would highly recommend it for any serious players and professionals.