?When throwing a cutter by a developed teenager, what pressure is put on the elbow as opposed to a fastball??
A cutter is a fastball that tails to the glove arm side of home plate.
The problem here is cutters are taught incorrectly to avoid “ballistic Hyper extension” of the elbow like all supinated pitches like the Slider and Curve. Even straight fastballs are supinated during drive with most of the population.
You can learn the pronated Cutter that safely hinges your elbow and avoids this bone crash that causes many pathologies like Cartridge damage that later develops bone spurs that break off and become loose impediments called bone chips , loss of range of motion in both directions and Brachialis tears from involuntary eccentric contractions.