Olecranon fossa
The olecranon fossa is a deep triangular depression on the posterior side of the humerus, superior to the trochlea. It provides space for the olecranon of the ulna during extension of the forearm.
| Olecranon fossa | |
|---|---|
 Left humerus. Posterior view (olecranon fossa visible at bottom center) | |
 Left humerus. Posterior view (olecranon fossa visible at bottom center) | |
| Details | |
| Identifiers | |
| Latin | Fossa olecrani |
| TA98 | A02.4.04.024 |
| TA2 | 1204 |
| FMA | 23450 |
| Anatomical terms of bone | |
Structure
The olecranon fossa is located on the posterior side of the distal humerus.[1][2]
The joint capsule of the elbow attaches to the humerus just proximal to the olecranon fossa.[3][4]
Function
The olecranon fossa provides space for the olecranon of the ulna during extension of the forearm, from which it gets its name.[2][5]
Other animals
The olecranon fossa is present in various mammals, including dogs.[6]
Additional images
Olecranon Fossa
Elbow joint. Deep dissection. Posterior view.
Elbow joint. Deep dissection. Posterior view.
Elbow joint. Deep dissection. Posterior view.
References
This article incorporates text in the public domain from page 212 of the 20th edition of Gray's Anatomy (1918)
- White, Tim D.; Black, Michael T.; Folkens, Pieter A. (2012-01-01), White, Tim D.; Black, Michael T.; Folkens, Pieter A. (eds.), "Chapter 9 - Arm: Humerus, Radius, and Ulna", Human Osteology (Third Edition), San Diego: Academic Press, pp. 175–198, ISBN 978-0-12-374134-9, retrieved 2021-01-08
- White, Tim D.; Black, Michael T.; Folkens, Pieter A. (2012-01-01), White, Tim D.; Black, Michael T.; Folkens, Pieter A. (eds.), "Chapter 2 - Anatomical Terminology", Human Osteology (Third Edition), San Diego: Academic Press, pp. 11–24, ISBN 978-0-12-374134-9, retrieved 2021-01-08
- Greiwe, R. M. (2016-01-01), Greiwe, R. Michael (ed.), "4 - Distal humerus fractures: Open reduction and internal fixation", Shoulder and Elbow Trauma and its Complications, Woodhead Publishing Series in Biomaterials, Woodhead Publishing, pp. 65–97, ISBN 978-1-78242-450-5, retrieved 2021-01-08
- Jacob, S. (2008-01-01), Jacob, S. (ed.), "Chapter 2 - Upper Limb", Human Anatomy, Churchill Livingstone, pp. 5–49, ISBN 978-0-443-10373-5, retrieved 2021-01-08
- Ozgur, Sinan Emre; Giangarra, Charles E. (2018-01-01), Giangarra, Charles E.; Manske, Robert C. (eds.), "12 - Rehabilitation After Fractures of the Forearm and Elbow", Clinical Orthopaedic Rehabilitation: a Team Approach (Fourth Edition), Philadelphia: Elsevier, pp. 57–62.e1, ISBN 978-0-323-39370-6, retrieved 2021-01-08
- Saunders, Deborah Gross; Walker, J. Randy; Levine, David (2014-01-01), Millis, Darryl; Levine, David (eds.), "26 - Joint Mobilization", Canine Rehabilitation and Physical Therapy (Second Edition), St. Louis: W.B. Saunders, pp. 447–463, ISBN 978-1-4377-0309-2, retrieved 2021-01-08
External links
- aplab - BioWeb at University of Wisconsin System
- Photo of model at Waynesburg College skeleton3/olecranonfossa
- radiographsul at The Anatomy Lesson by Wesley Norman (Georgetown University) (xrayelbow)
- Imaging at umich.edu
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