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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).

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What muscle is the prime mover for shoulder abduction?

Trapezius and Levator Scapulae


What two muscles are Important in shoulder adduction and antagonists of the shoulder abductor?

The deltoid is the prime mover in shoulder abduction. It's two antagonists are the pectoralis major and the latissimus dorsi.


What is the prime mover of hip abduction?

In the canine: the gluteal muscles (superficial, middle, deep).


What is the Prime mover for abduction?

the supraspinatus ...I think Deltoid muscle(acromial part)


Prime mover for shoulder flexion?

Prime mover is the bicep and the antagonist is the tricep.


Prime mover for shoulder flexion and adduction?

Do you mean flexion and (abd)uction?? If so, the prime mover would be the deltoid muscle with many smaller muscles assisting. If you are in fact meaning flexion and adduction, the prime mover would be the pectoralis major and the latissimus dorsi with many smaller muscles assisting.


What is prime mover for hip abduction?

Gluteus medius is prime mover.Other abductors are:Gluteus MinimusTensor Fascia Latae (TFL)Sartorius


Which muscle is the prime mover for arm abduction?

The latissimus dorsi is the muscle responsible for moving the arm posterior or backwards.


What are the 9 movements of the shoulder joint?

Movement>prime mover. Abduction>deltoid. Adduction>gravity. Flexion>pectoralis major(sternal part). Extension>teres major. Medial rotation>pectoralis major(sternal). Lateral rotation>infraspinatus.


Have you ever experienced an abduction that specifically targeted your shoulder"?

No, I have not experienced an abduction that specifically targeted my shoulder.


What is involved in abduction of the arm at the shoulder joint?

abduction of the shoulder- crucifix on the rings in gymnastics adduction of the shoulder- second half of a star jump?


What is the prime mover for shoulder internal rotation?

The prime mover for shoulder internal rotation is the subscapularis muscle, which is one of the four muscles that make up the rotator cuff. It originates on the subscapular fossa of the scapula and inserts on the lesser tubercle of the humerus. Contraction of the subscapularis muscle causes internal rotation of the shoulder joint.