Triceps Muscle

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


Long Head- infraglenoid tubercle of scapula

Lateral Head- posterior surface of humerus above radial groove

Medial Head- posterior surface of humerus below radial groove


Olecranon process of Ulna

Artery Supply

Deep Brachial Artery

Posterior Circumflex Humeral Artery


Radial and Axillary Nerve


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.



  • When I was in college I used to lift weights 6 days per week. I am 6 foot 1 and I weighed 168 pounds of lean muscle. I was in the prime of my life. That was back in the late 90s. Sometimes the guys on the University football team would be lifting while my friends and I were in the gym. I once watched one of the big lineman do a tricep pull down exercise and he lifted the entire set of weights with one arm. No wonder they can grab running backs by the leg with one hand and pull them down. 🙂 God bless!

    Liked by 1 person

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