I answered because you were having an injurious outcome and you will find nobody wants to tackle this scenario because they believe pitch counts injure you when actually improper force application (mechanics) and lack of fitness is what injures you.
I don’t use the “Yard speak” terms (armslot) to describe this because it does not explain that the Humerus takes a vectored path (voluntary or involuntary) and the forearm takes a path (voluntary or involuntary) depending on if you forearm pronate your forwards acceleration phase or supinate it and every pitcher has combinations of each that is different than others. When I say raise your Humeral (abduct it) vector it means to turn up your elbow during the Humeral/forearm transition phase that happens just before the acceleration phase and point your triceps forwards
This is intuitive with pitchers who leave their forearm pronated with the hand on top of the ball at glove side foot plant and then loop their transition phase to get their arm in position to the start the acceleration (Humerus fully outwardly rotated) phase. When they start their acceleration phase, because they were in a pronated position at the start of the transition phase it starts the forearm out to the side of the body and promotes supimated drive (the elbow killer). It is best to bring the ball down then back then up to driveline height (ball at top of head arm extended back) back supimated (thumb up) so you can then intuitively pronate your drives and avoid bicep/Brachialis contractions so you can actually use your triceps when driving the ball.
Do you understand the phases of your conventional delivery?
Have you analyzed your motion using high speed video?
How old are you?
Any questions, please give them