1. Shoulder Joint and Humerus

Question 1

what 2 things are held in the radial groove

Answer 1

radial artery and nerve

Question 2

what does the radial head articulate with

Answer 2

capitulum

Question 3

which neck does the epiphyseal growth plate mark

Answer 3

anatomical neck

Question 4

what is the normal alignment of the lateral view for the shoulder joint

Answer 4

glenoid gully surrounded by head of humerus

scapula spine, coracoid and scapula blade form a Y

Question 5

what is anterior shoulder dislocation in terms of humeral head position relative to the glenoid fossa

Answer 5

Humeral head inferior and anterior to glenoid fossa

Question 6

what is posterior shoulder dislocation in terms of humeral head position relative to the glenoid fossa

Answer 6

lightbulb sign from rotation of humeral head

head not aligned with cavity in center of Y in lateral view

dislocations tend to be superior to the cavity