by pronating later it forces you to come out of it quicker–premise is to give you more head speed- doesn’t help Kerber but it may help you
coil
on the serve start coil the body
tennispro
Menu
This site is brought to you by Scott Perlstein Tennis Enterprises
pronate later
More Posts
non hitting hand
keep the non hitting hand on the racquet during the rotation
spring up
use your legs to spring up and into the court on the serve
big deep
racquet to the ground