Anconeus: Origin, Insertion, Nerve Supply & Action

Anconeus The anconeus muscle is situated medially and superiorly in the extensor compartment of the forearm. It is blended with the fibers of the triceps brachii, and the two muscles can be indistinguishable. Origin: Originates from[...]

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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: 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[...]

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Forearm Muscles

Forearm Muscles: Origin, Insertion, Nerve Supply & Action

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

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 anatomical connection between[...]

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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 of having a weak Serratus Anterior[...]

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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

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 breast in[...]

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Supraspinatus-infraspinatus- Muscle

Supraspinatus Muscle: Origin, Insertion, Nerve Supply & Action

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 the four[...]

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Supraspinatus-infraspinatus- Muscle

Infraspinatus Muscle: Origin, Insertion, Nerve Supply & Action

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 is to[...]

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