Triceps Muscle

In this article we will discuss about Triceps Muscle. So let’s get started.

Origin

Long Head- infraglenoid tubercle of scapula

Lateral Head- posterior surface of humerus above radial groove

Medial Head- posterior surface of humerus below radial groove

Insertion

Olecranon process of Ulna

Artery Supply

Deep Brachial Artery

Posterior Circumflex Humeral Artery

Nerve

Radial and Axillary Nerve

Function

Extension at elbow joint

Triceps Reflex

Triceps reflex is elicted by hitting the triceps tendon by reflex or percussion hammer to test the function of spinal nerve C6 and C7 predominantly C7.

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