Download Bones of Upper Limb

Bones of Upper Limb
• Should girdle
clavicle，scapula
• Bones of free upper limb
– Humerus
– Radius and ulna
– Carpal bones, metacarpals and
phalanges
Clavicle
“S” shaped, medial 2/3 convex forward
and lateral 1/3 convex backward.
Acromial end
Sternal end
Transmits shocks from upper limb to
axial skeleton
A commonly fractured bone
Scapula
a triangular flat bone
• Three borders
– Superior: coracoid process ,
scapular notch
– Lateral (axillary) border
– Medial (vertebral) border
• Three angles
– Superior: opposite to the 2nd rib
– Inferior: opposite to the 7th rib / intercostals space
– Lateral: glenoid cavity
supra- and infraglenoid tubercles
• Two surfaces
– Anterior surface concave:
subscapular fossa
– Posterior surface:
supra- and infraspinous fossae
spine of scapula, acromion
Supraspinous fossa
scapular notch
coracoid process
glenoid
cavity
acromion
subscapular fossa
spine of
scapula
Infraspinous fossa
Humerus
 Upper end
head of humerus
anatomical neck
greater and lesser tubercles
intertubercular groove
surgical neck
 Shaft
deltoid tuberosity
groove for radial nerve
 Lower end
lateral and medial epicondyles
capitulum
trochlea
coranoid fossa
radial fossa
olecranon fossa,
sulcus for ulnar nerve
olecranon fossa
coranoid fossa
Radial fossa
medial epicondyle
capitulum
trochlea
Radius
•
Upper end:
head of radius
neck of radius
radial tuberosity
radius
•
Shaft：interosseous border
• Lower end:
radial styloid process
ulnar notch
carpal articular surface
Radial Styloid
olecranon
Ulnar
Radial notch
trochlear notch
coronoid process
• Upper end:
olecranon
coronoid process
trochlear notch (large curved
articular surface)
radial notch
ulnar tubersity
•
Lower end
styloid process of ulnar
head of ulna
Ulnar tubersity
ulnar
Fracture of the distal end of the radius
Bones of hand
carpal bones
metacarpal bones
phalanges of fingers
Carpal bones
Upper Limb X-ray