DR MSK

Question 1

with a displaced transverse humerus fracture which nerve is most susceptible to injury?

Answer 1

axillary nerve

Question 2

what clinical sign if axillary nerve is damaged?

Answer 2

sensory loss over regimental badge region

weakened abduction due to loss of innervation to deltoid and teres minor

Question 3

how does a posterior shoulder dislocation appear on x ray?

Answer 3

‘lightbulb’ sign

Question 4

what is colles fracture? what clinical sign is seen?

Answer 4

transverse fracture of distal radius

‘dinner fork’ deformity > dorsal angulation of distal fragment of fracture

Question 5

what is a risk factor for colles fracture?

Answer 5

osteoarthritis

Question 6

how would the leg appear with a posterior hip dislocation?

Answer 6

shortened and internally rotated

Question 7

which nerve greatest risk of damage from posterior hip dislocation?

Answer 7

sciatic

Question 8

how is the blood supply affected with an extra capsular NOF fracture?

Answer 8

blood supply from circumflex, femoral and retinacular artery preserved !!! as its extracapsular

Question 9

which nerves runs in close proximity to medial malleolus?

Answer 9

tibial

Question 10

borders of the adductor canal?

Answer 10

roof/anterior boundary= sartorius
lateral= vastus medialis
posterior= adductor longus + magnus

Question 11

borders of the axillary region

Answer 11

medial= serratus anterior
lateral= humerus
anterior= pec major and minor
posterior= latissimus dorsi/ subscapularis