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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.

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12y ago
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12y ago

the biceps is the muscle that makes the shoulder flex

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8y ago

what muscle is the prime mover for shoulder flexion and adduction

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12y ago

The bicep is the muscle that makes the shoulder flex.

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12y ago

Middle deltoid is the primary abductor of the shoulder. However, it's important to note that the supraspinatus initiates the movement.

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16y ago

Pectoralis major

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Corona

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Q: What is the prime mover muscle of shoulder horizontal adduction?
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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.


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 muscle is the prime mover for shoulder abduction?

Trapezius and Levator Scapulae


Is the deltoid a mover of the arm that acts in adduction?

Yes. Deltoid (Delta like.) is the prime mover of arm. It moves shoulder joint in forward, backward and laterally. It is a continuation ofTrapeziusmuscle. It is 'not' mentioned in any anatomy books. But you can verify it. Trapezius is inserted in inner side of clavicle and spine of scapula and from outer side of the same Deltoid muscle starts.


What does the latissimus dorsi to the arm?

The latissimus dorsi is responsible for extension, adduction, transverse extension also known as horizontal abduction, flexion from an extended position, and internal rotation of theshoulder joint. It also has a synergistic role in extension and lateral flexion of the lumbar spine.


What muscle group is the primary mover of shoulder and elbow extension?

Shoulder extension is controlled by: Long head of the triceps, the last, and the teres major


Prime mover for shoulder flexion?

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


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.


What is the prime mover of shoulder abduction?

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).


The trapezius is the prime mover for most movements of the?

The trapezius muscle extends from the upper back to the back of the neck. Its main functions are to support the arm and to move the shoulder blade.


What is the prime mover for standing calf raise exercise?

The Gastrocnemius (calf muscle) is the primary mover. The Synergist (or assistor) muscle is the Soleus.


Can anyone define these muscle terms Antagonist pairs prime mover synergist fixator origin and insertion?

Antagonist: Controls movement, opposite of prime mover Prime Mover: Main muscle that is directly responsible for movement Synergist: Aids in movement of muscle