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2025-02-18T05:05:20Z

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			<gallery>
			File:Ulna3.jpg\|Olecranon
			File:En-elbow_joint.svg\|Diagram of the elbow joint
			File:Gray213.png\|Olecranon process of the ulna
			File:Gray215.png\|Elbow joint, showing olecranon
			File:Gray329.png\|Muscles of the forearm, posterior view
			File:Gray332.png\|Ligaments of the elbow joint
			</gallery>

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2024-02-23T23:35:58Z

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'''Olecranon'''

The '''Olecranon''' is the large, bony prominence of the [[ulna]], a bone in the [[forearm]]. It is situated at the upper end of the ulna and forms the pointed portion of the [[elbow]]. The olecranon serves as an attachment site for the [[triceps brachii muscle]], which extends the forearm.

==Anatomy==

The olecranon is a large, thick, and curved bony process. It is the point of the elbow and forms a joint with the [[humerus]], the bone of the upper arm. The olecranon is covered by a bursa, a fluid-filled sac that allows smooth movement between the bone and overlying skin.

==Function==

The olecranon serves as a lever for the [[elbow joint]]. It provides an attachment site for the triceps brachii muscle, which is the primary extensor of the forearm. The olecranon also protects the elbow joint from damage.

==Clinical significance==

Injuries to the olecranon, such as fractures or bursitis, can cause pain and limit movement of the elbow. [[Olecranon bursitis]], also known as ''student's elbow'', is a condition in which the bursa becomes inflamed and swollen.

==See also==
* [[Elbow]]
* [[Ulna]]
* [[Humerus]]
* [[Triceps brachii muscle]]
* [[Olecranon bursitis]]

[[Category:Anatomy]]
[[Category:Bones]]
[[Category:Elbow]]

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Olecranon - Revision history

Prab: CSV import

Prab: CSV import