Since I've started playing tennis (like 8 years ago, with a recent 3 year break), I've always had issues of warming up. In fact I usually need about 50-60 fed balls b4 my forehand will start to find its groove. If I play a match without warming up (bc I'm usually running late), I'm guaranteed to either frame the ball, hit it into the ground or the net, or over the fence... so often I resort to pushing a little bit in the beginning. I play with my Prince More Response strung at 60. Lately though I found I find my groove immediate with my babolat PD strung at 56 bc it kind of flattens out my shots, but I have trouble hitting kill shots (lots of topspin, really hard) with it. So now I've resorted to using the PD in a match when I can't warm up, and once I've found my groove, I'll switch back to the More Response. My question after this long set up is, does anyone else have this problem, and if any of you guys have any tips on warming up quickly? This happens no matter how much I play (against a live partner 2x a week, vs wall 3x a week, so i play about 5x a week).