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.
Every time the ball is put into play, someone has to make a throw to end it. But throwing a softball -- from pitches to fielding -- is where most teams make errors.No matter what position your play, being able to throw a softball is one skill you cannot go without. Read on to learn both the overhand throw used in fielding and the underhand throw for pitching.lace the inside of your back foot towards the target. Your back foot is the foot on the same side as your throwing arm. You want the instep, or inside, of your foot to face your target so that your toes point diagonally to the right (right-handed throwers) or left (left-handed throwers) of your target.