Origin Long Head
Infraglenoid tubercle of scapula
Origin Lateral Head
Above the radial groove
Origin Medial Head
Below the radial groove
Insertion
Olecranon process of ulna
Actions
- Extension of elbow
- Long head: Adduction and extension of the arm at the shoulder joint
Innervation
- Radial nerve (C6, C7, C8)
Blood Supply
- Deep brachial artery
- Long head: posterior circumflex humeral artery
Would you like to learn more about the triceps brachii muscle? Then check out the triceps brachii muscle article and video by clicking the link below: Triceps Brachii Muscle Anatomy
Support Bodyworks Prime
Running a website and YouTube channel can be expensive. Your donation helps support the creation of more content for my website and YouTube channel. All donation proceeds go towards covering expenses only. Every contribution, big or small, makes a difference!
