Terms describes a muscle that is primarily responsible for causing a given action about a joint?

The  terms  include Agonist which  are  directly  involved  in  movement.
fixator   which  eliminate  unwanted  movement,  neutralizer  which  prevent  unwanted  movement,Antagonist which opposes  the  movement  of  a  joint  by  producing  torgue  and  Stabilizer  which  stabilizes  the  humeral  head  in  the  glenoid  flossa.