Supinator muscle

Supinator: Origin, Insertion, Nerve Supply & Action

Supinator: The supinator muscle lies on the floor of the cubital fossa. It has two heads, which the deep branch of the radial nerve passes between. Origin: It has two heads of origin. One originates from[...]

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Brachioradialis

Brachioradialis: Origin, Insertion, Nerve Supply & Action

Brachioradialis: The brachioradialis is a paradoxical muscle. Its origin and innervation are characteristic of an extensor muscle, but it is actually a flexor at the elbow joint.The brachioradialis muscle is most visible when the forearm[...]

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Forearm Muscles

Forearm Muscles: Origin, Insertion, Nerve Supply & Action

Forearm Muscles: Forearm muscles are divided into two compartment- Anterior compartment Posterior compartmet

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pectoral muscles

Shoulder Girdle Muscle: Origin, Insertion, Nerve Supply & Action

Shoulder Girdle Muscle: The shoulder girdle is also known as the pectoral girdle.The pectoral girdle connects the upper limb to the axial skeleton on the right and side left of the body. There is an[...]

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serratus anterior muscle

Serratus Anterior: Origin, Insertion, Nerve Supply & Action

Serratus Anterior: The Serratus Anterior muscle is utilized in activities which draw the scapula forwards. It is utilized vigorously in push-ups and bench presses. Winged scapula is a designator having a weak Serratus Anterior muscle.

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Sternocleidomastoid

Sternocleidomastoid : Origin,Insertion,Nerve Supply & Action

The sternocleidomastoid muscle is also known as sternomastoid and commonly abbreviated as SCM, is a paired muscle in the superficial layers of the side of the neck. It is one of the most sizably voluminous[...]

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Pectoralis Major

Pectoralis Major: Origin, Insertion, Nerve Supply & Action

Pectoralis Major: The pectoralis major muscle is a thick, fan-shaped, situated anteriorly at the chest of the human body. It makes up the bulk of the chest muscles in the male and lies under the[...]

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Supraspinatus Muscle

Supraspinatus Muscle: Origin, Insertion, Nerve Supply & Action

Supraspinatus Muscle: The supraspinatus is a relatively small muscle of the upper back that runs from supraspinous fossa superior portion of the scapula to the more preponderant tubercle of the humerus. It is one of[...]

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Supraspinatus-infraspinatus- Muscle

Infraspinatus Muscle: Origin, Insertion, Nerve Supply & Action

Infraspinatus Muscle: The infraspinatus muscle is a thick triangular muscle, which occupies the most part of the infraspinatus fossa.It is one of the four muscles of the rotator cuff, the main function of the infraspinatus[...]

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Teres Major Muscle

Teres Major Muscle: Origin, Insertion, Nerve Supply & Action

Teres Major: The teres major is a muscle of the upper limb. The teres major attaches to the scapula and the humerus. It is a thick but marginally flattened muscle.The teres major is situated superior[...]

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