In order to keep lateral momentum as a source of power, the player needs to keep the inertia (lateral direction) without pulling the breaks before the stroke transferring the linear momentum into the forward momentum
Play Smart Tennis – MIND YOUR GAME – Anticipate! Don’t participate
by Milos Dimic, Sports Neuroscience PhD
In order to keep lateral momentum as a source of power, the player needs to keep the inertia (lateral direction) without pulling the breaks before the stroke transferring the linear momentum into the forward momentum