Clavicle

Question 1

Fall on the shoulder or outstretched hand

MEDIAL segment elevated by the pull of SCM

LATERAL segment displaced downward by gravity and pull of DELTOID

cause BRACHIAL PLEXUS INJURY/LOWER TRUNK

HEMORRHAGE from SUBCLAVIAN VEIN

Answer 1

Fracture of the CLAVICLE

Question 2

A SUPRACONDYLAR fracture of the humerus would most likely cause injury to what nerve?

Answer 2

MEDIAN NERVE

Question 3

AXILLARY NERVE may be affected and the Posterior Circumflex artery may be lacerated

Answer 3

SURGICAL NECK HUMERAL FRACTURE

Question 4

RADIAL NERVE may be affected and the Profunda brachial artery may be lacerated

Answer 4

MIDSHAFT/SPIRAL HUMERAL FRACTURE

Question 5

MEDIAN NERVE may be affected; contractions of Triceps and Brachialis may shorten the arm

Answer 5

SUPRACONDYLAR fracture

Question 6

ULNAR NERVE may be affected

Answer 6

MEDIAL EPICONDYLE HUMERAL fracture

Question 7

Fracture lower end of RADIUS

Displacement of the distal segment POSTERIORLY and SUPERIORLY

Answer 7

DINNER/SILVER FORK DEFORMITY

Question 8

Fracture lower end of RADIUS

Displacement - ANTERIORLY

Answer 8

SMITH’S FRACTURE

Question 9

Fracture of DISTAL end of RADIUS

Fragment dorsally placed

Answer 9

COLLE’S FRACTURE

Question 10

Fracture of DISTAL end of RADIUS

Fragment VENTRALLY placed

Answer 10

SMITH’S FRACTURE

Question 11

First bone to begin ossification during fetal development

Last one to complete ossification at about age 21

Medial 2/3 convex forward; lateral 1/3 flattened

JUNCTION - WEAKEST POINT

Answer 11

Clavicle