KIVO Med
Ulna
Morphology, orientation, relations, attachments, and clinical implications of the ulna.
- 33 explained questions
- 25 flashcards
- 98 estimated course minutes
Updated
What you will learn
- Locate and orient an isolated ulna from its ends and articular surfaces.
- Describe the surfaces, borders, notches, and landmarks of the shaft and both epiphyses.
- Relate each bony territory to its muscular, ligamentous, and membrane attachments.
- Analyze the articular relations of the ulna with the humerus, radius, and radioulnar disc.
- Apply palpable landmarks and fracture associations to simple clinical scenarios.
Course outline
The ulna within the framework of the forearm
A spatial map of the ulna, its two ends, and its relations with the humerus, radius, and wrist.
8 min
Identifying and orienting an ulna
Anatomical definition, general articulations, and a reliable method for orienting an isolated bone.
10 min
Ulnar shaft: surfaces, borders, and landmarks
Triangular organization of the shaft and localization of the nutrient foramen, posterior crest, and interosseous border.
16 min
Complete map of ulnar attachments
Distribution of muscular, ligamentous, septal, and membrane attachments over the whole ulna.
18 min
Proximal epiphysis: processes, notches, and surfaces
Formation of the trochlear notch by the olecranon and coronoid process, including their landmarks, articulations, and attachments.
20 min
Distal epiphysis: head, styloid, and articular disc
Morphology of the ulnar head, its relations with the radius and disc, and comparison of the styloid processes.
12 min
Clinical implications and schematic radiograph reading
Palpable landmarks and application of olecranon fractures, coronoid fractures, and forearm fracture-dislocations.
14 min
Study and practise with KIVO Med
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Educational resources for medical studies; they do not replace your faculty’s teaching or medical advice.
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