ElbowandForearm
Plate425
BonesofForearm
Olecranon
Head
Neck
Radial tuberosity
Radius
Anterior surface
Anterior border
Interosseous border
Interosseous
membrane
Styloid process
of radius
Styloid process
of ulna
Radius
Ulna
Ulnar notch
of radius
Styloid process
Styloid
process
Articulation with
scaphoid bone
Articulation with
lunate bone
Carpal articular surface
Trochlear notch
Coronoid process
Radial notch of ulna
Ulnar tuberosity
Oblique cord
Oblique cord
Ulnar tuberosity
Ulna
Ulna
Lateral surface
Posterior border
Posterior surface
Anterior border
Anterior surface
Interosseous
membrane
Interosseous
border
Dorsal (Lister’s) tubercle
Styloid process
of radius
Radius
Right radius and ulna
in supination: anterior view
Groove for extensor
digitorum and extensor
indicis muscles
Groove for extensor
pollicis longus muscle
Right radius and
ulna in pronation:
anterior view
Groove for extensor
carpi radialis longus
and brevis muscles
Area for extensor
pollicis brevis and
abductor pollicis
longus muscles
Coronal section of
radius demonstrates
how thickness of
cortical bone of
shaft diminishes
to thin layer over
cancellous bone
at distal end
See±also±
Plates 439
,
±
442
±
