Triceps Brachii

Triceps Brachii Muscle

The Triceps Brachii also assists Latissimus Dorsi in extending the shoulder joint. It contracts strongly during the up phase of a push up, to straighten the arm.

Origin : Long head - Lower part of the glenoid cavity of the scapula.
Lateral head - Upper half of the posterior surface of the humerus.
Medial head - Lower 2/3 of the posterior surface of the humerus

Insertion : Olecranon process of the ulna

Actions : Elbow  extension

Innervation : Radial nerve

Daily uses : Pushing a door closed

Example strengthening exercises : Tricep extension.
Overhead tricep extension.
Tricep dips

Example stretches : Tricep stretch