peptide hormones (pepËÂ·tÄ«d hÅrËÂ·mÅnz) , n.pl water-soluble hormones comprised of a few amino acids that introduce a series of chemical reactions to change the cell's metabolism.eptide hormones (pepËÂ·tÄ«d hÅrËÂ·mÅnz) , n.pl water-soluble hormones comprised of a few amino acids that introduce a series of chemical reactions to change the cell's metabolism.
There are several muscles working when pitching. Starts of with the abductor muscles when striding. leg muscles such as the calf, quads and hamstring work when push of happens â¦ . then shoulder girdle, lats and biceps work as arms rotate.Core muscles work for rotation.2 people found this useful.onfidence votes 716. There are no muscles that are not in use. In pitching a softball, the body moves as a coordinated unit, and virtually every muscle is in play for some reason.
Needless to say, this additional torque can put severe pressure on the pitcher s back and often results in lower back injuries. 8) IMPROPER LANDING OF THE STRIDE FOOT Since the majority of female fastpitch pitchers use the leap and drag style of pitching, it is important that the stride leg drives out fast and far.UR TOP 10 INJURY-CAUSING PITCHING PROBLEMSIf you are doing any of these things, find a way to stop it 1) OVERUSE A significant percentage of softball pitching injuries are shoulder and rotator cuff problems caused by too much pitching, often by using incorrect pitching mechanics.