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Ulna pictures        Study-tutorial    Practical: 1. Living anatomy 2. Museum

Muscular attachments

Anterior surface

Origin

         Flexor digitorum superficialis

         Pronator teres

         Flexor pollicis longus

         Flexor digitorum profundus

Insertion

         Brachialis

Posterior surface

Origin

         Extensor indicis
 
Extensor pollicis longus

         Abductor pollicis longus

         Supinator

Insertion

         Anconeus

         Triceps brachii

 

Ulnar notch
Ulnar tuberosity
Sublime tubercle
Supinator fossa
Coronoid process
Head of ulna
Shaft of ulna
Trochlear notch
Styloid process of ulna
Olecranon process
Monteggia fracture-dislocation
Fracture of shaft of ulna with dislocation of proximal radioulnar joint
Fracture of shaft of radius with dislocation of distal radioulnar joint
Fracture of ulnar styloid process
Fractures of shafts of ulna and radius
Fracture of shaft of ulna
 

Ulna

This is the medial bone of the forearm. It has a distal head, and a proximal expanded portion which carries ulnar tuberosity and has a lateral radial notch for articulation with radius at the superior radioulnar joint, and a coronoid process. The shaft has three (interosseous, posterior, anterior) borders and three (medial, anterior, posterior) surfaces. The styloid process is at the medial aspect of distal head.

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Anterior arm video      Arm anterior layers   links    Electronic dissector    Structure locator     

Video dissection of anterior aspect of arm DIGITAL LOCATOR OF ULNA:  roll over to label, click to display page
Layers Layer 1- skin; Layer 2- superficial fascia , Layer 3- deep fascia    Layer 4;  Layer of muscles, Layer 5 -neurovascular structures, Layer 6- bones

 

 

 

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