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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Teres Major Muscle

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

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 to[...]

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Brachialis-Muscles

Coracobrachialis: Origin, Insertion, Nerve Supply & Action

The coracobrachialis muscle is the smallest of the three muscles that attach to the coracoid process of the scapula. The coracobrachialis is situated at the upper and medial part of the arm.The coracobrachialis lies deep[...]

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Brachialis-Muscles

Brachialis: Origin, Insertion, Nerve Supply & Action

Brachialis: The brachialis is a muscle in the upper arm that flexes elbow joint. It lies deeper in the biceps brachii and a synergist action that assists the biceps brachii in flexing at the elbow.[...]

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biceps-brachii-muscle

Biceps Brachii: Origin, Insertion, Nerve supply & Action

Biceps Brachii is a two-headed muscle. The majority of the muscle mass is located anteriorly to the humerus, it has no annexation(attachment) to the bone itself. The tendon of biceps brachii enters the forearm, a[...]

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triceps muscle

Triceps Brachii: Origin, Insertion, Nerve Supply & Action

Triceps Brachii: The triceps brachii muscle “three-headed muscle of the arm” is the large muscle on Posterior Compartment of the upper limb. Triceps Brachii muscle is principally responsible for extension of the elbow joint.  

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Brachialis-Muscles

Arm Muscle: Origin, Insertion, Nerve supply & Action

The upper arm is between the shoulder and elbow joint. It contains four muscles in two compartments- Anterior compartment Posterior compartment  

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heart chamber

Heart Anatomy:Overview,Cardiac Chamber,Arterial Supply & Function

Heart Anatomy Overview- The heart is a muscular organ that pumps blood into the blood vessels of the circulatory system.Blood provides the body with oxygen and nutrients, as well as aids in the removal of[...]

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