Thrusting the chest

I think I saw a thread like this before, but when throwing a pitch does thrusting the chest help with anything (location, velocity,etc.)?

nope everything has to be in a smooth motion. still images look like chest is being thrown out but it isnt. everything has to move in 1 motion if a certain part moves faster than the other parts then you break the chain and ruin the pitch

What you “see” as “chest thrust” is actually “scap load”.

ok, i’ll look for scap load, thanks