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First and foremost, you've gotta have your legs there. With tennis, you do a & e1 P& y- c) ?, _5 n- Y# X, slot of running. We do a lot of lunge-type exercises. I've had a little bit of; e; ?1 O* v0 D' r3 I3 X. u
trouble with my knees the past year, so almost every day, I do stuff where I 5 j0 [( l5 y; K* E/ l6 y1 w# E; z7 f! lput my heels up on an incline and put as much weight as I can on my back and . c( z1 y/ c) q/ B# b( ?7 u1 \- e; `( `do some squats. Next thing, my right arm is the next most important for me. I # h8 D: ^. N3 X% ?6 z* {4 edo a lot of rotator cuff exercises [for my serve]. After all that, we'll , } b. o2 R& Zspend 15 minutes or so doing abs, core, and med-ball work.