how to gauge serve potential?
don't we recs all wish to have a bomb of serve, but on the other hand we all know there is a limit and we'll never serve 120.... but where is the limit?
age, gender, body type, flexibility, too many variables...
but is there a way to estimate, (with perfect technique) where the limit is?
something like, if I can throw a baseball 50 yards, I should be able to serve 95mph.
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