💪 Triceps

Brian Lee
May 11 2025

Summary

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Origin	Long head: Infraglenoid tubercle of the scapula Lateral head: Posterior humerus, above the radial groove Medial head: Posterior humerus, below the radial groove
Insertion	Olecranon process of the ulna
Actions	Extension of the forearm at the elbow Long head: assists in extension and adduction of the arm at the shoulder Stabilization of the shoulder joint

David and Goliath, Caravaggio, 1599

Wikipedia
Goldfinger 1991, 172-175.
Hale and Coyle 1977, 80, 112, 122, 138, 140, 144, 146, 148-149, 150-151, 152, 182, 253, 254, 255, 256.

Anconeus The triceps brachii and anconeus are muscles that work together to straighten the elbow.
- The triceps is the bigger muscle with three parts and does most of the work to extend the arm.
- The anconeus is a smaller helper muscle near the elbow. It assists the triceps and helps stabilize the joint during movement.
They are closely connected and often work as a team for elbow extension and stability.
Teres Major
Teres Minor
Latissimus Dorsi