Osteology

Right radius and ulna, posterior view of distal parts

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Image #87-1

Osteology Right radius and ulna, posterior view of distal parts - . Ulna 1 . Dorsal surface 2 . Head (pointer on groove for tendon of extensor carpi ulnaris muscle) 3 . Styloid process 4 . Articular circumference - . Radius 5 . Ulnar notch (of radius) 6 . Carpal articular surface 7 . Dorsal surface 8 . Groove for tendons of common extensor digitorum muscle and extensor indicis muscle 9 . Upper pointer: Groove for tendon of extensor pollicis longus muscle Lower pointer: Dorsal tubercle 10 . Upper pointer: Groove for tendon of extensor carpi radialis brevis muscle Lower pointer: Groove for tendon of extensor carpi radialis longus muscle 11 . Styloid process