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.
1 Softball players in the outfield require a mitt with a deep pocket and a long glove to catch fly balls and grounders. 2  Outfielder gloves range from 13 inches (33.02 cm) to 14 inches (35.56 cm) long so that when outfielders have to dive or run for the ball, the extra length gives them better reach.