the supraspinatus ...I think Deltoid muscle(acromial part)
Trapezius and Levator Scapulae
In the canine: the gluteal muscles (superficial, middle, deep).
Gluteus medius is prime mover.Other abductors are:Gluteus MinimusTensor Fascia Latae (TFL)Sartorius
The latissimus dorsi is the muscle responsible for moving the arm posterior or backwards.
The Prime Mover was created on 1961-03-24.
The deltoid is the prime mover in shoulder abduction. It's two antagonists are the pectoralis major and the latissimus dorsi.
A prime mover is a machine which transforms energy to/from thermal or electrical, or pressure from/to mechanical form. Examples of a prime mover are engines or turbines.
The masseter is the prime mover of the jaw closure.
Pronator quadratus is the prime mover in pronation of the hand.
A prime mover is the muscle that has the most influence in one direction on the joint it acts on. For example the prime mover in extension of the forearm is the triceps.
Prime Mover - 2009 is rated/received certificates of: Australia:M
The prime muscle differs depending on the degree of abduction. From 1 to 20 degrees it is the supraspinatus muscle, from 20 to 90 degrees it is the deltoid and from 90 degree and above the action is done by that rotate the scapula (trapezius and serratus anterior).