Re: Jump or not while serving?
Nah, it's just a natural movement really not a conscious decision to "jump". Same as when you hit a big forehand for example, you load up your power then explode into the shot and you will elevate slightly. Try jumping and swinging and you'll screw the shot up royally. The only shot in tennis you should consider jumping for is when you're reaching for a high lob or executing a slam dunk!