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

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


Shoulder muscle that is the antagonist of the trapezius?

Shoulder adductors. Abduction means moving away from the median plane of the body and adduction means moving towards the median plane of the body.


Which term does not belong latissimus dorsi pectoralis major synergists adduction of shoulder or antagonists?

The latissimus dorsi and pectorals major are synergists for shoulder adduction


What is the prime mover muscle of shoulder horizontal adduction?

Because shoulder horizontal adduction is performed when the arm is horizontal position (i.e., the elbow is level with shoulder) and adduction is movement toward the center of the body, shoulder horizontal adduction is performed primarily by pectoralis major and anterior deltoid, with an assist by latissimus dorsi.


What does the Pectoralis move?

Pectoralis moves the shoulder joint. It has a sternal and clavicular end , it helps in shoulder joint adduction, cross arm adduction and overhead. Adduction movement means bringing the shoulder towards midline


What is muscle group is the antagonist of shoulder adduction?

the antagonist of adduction is the pectoralis major


What muscles cause horizontal adduction in the shoulder?

The major muscles involved in horizontal adduction or flexion is the anterior deltoid fibres, pectoralis major and minor. Bicep complex(bbicep brachii, brachioradialis and forearm flexor) comes into action as synergists, if the leverage is long.The antagonists of horizontal flexion is posterior deltoid fibres,teres major, minor, lats and the associated rotator cuff muscle(infraspinatus)


Shoulder adduction is performed in which plane?

frontal


What is the intended action of the primary muscle used in barbell upright row?

shoulder flexion shoulder adduction shoulder horizontal extension


What muscles cause horizontal adduction of the shoulder?

There are four muscles used for horizontal adduction of the shoulder. These muscles are the pectorals major, middle deltoid, latissimus dorsi, and coracobrachilis.


What Muscle action of pectorals when using shoulder joint?

Adduction of upper arm at the shoulder


What muscles involved in shoulder joint adduction act as fixators?

The muscles that perform adduction to the shoulder include the pectoralis major, lattissimus dors, but these are the primary movers. The fixators that do adduction are the subscapularis and teres major.