How to do an underhand serve<br>Get your feet into position. Stand with your non-dominant foot in front with your toes facing forward. Your dominant foot should be in the back with toes pointed slightly out.
Underhand serving requires a great deal of practice to be able to serve with precision in volleyball. 
( z1 require :ARG0 ( z2 serve :manner ( z3 underhand ) ) :ARG1 ( z4 practice :quant ( z5 deal :mod ( z6 great ) ) ) :purpose ( z7 possible :ARG1 ( z8 serve :manner ( z9 precise ) :manner ( z10 volleyball ) ) ) )