Trauma

Question 1

What cells makes Sclerostin?

Answer 1

Osteoctye

Sclerostin is ANTI- bone forming

Question 2

What is the last physis to close ?

Answer 2

Medial Clavicular ( late 20s)
Posterior ligaments are the most important for SC stability

Question 3

Biomechanics studys say what clavicle plate is stronger?

Answer 3

Superior placed ( no difference in clincal outcomes with anterior placed plates)  
Anterior requires more deltoid stripping

Question 4

Increased risk of Mal union/non union for clavcle fractures ?

Answer 4

Smoker
Female
>2cm shortening
Comminution Z deformity

Question 5

Relative indications for scapular fracture ORIF?

Answer 5

Medialization of gelnoid
> 20mm displacement
>Angulation of body 45 d
Glenopolar angle <22d
Large IA fragments

Question 6

What is likely complications for proximal humeral fracture treated with HEMIarthroplasty?

Answer 6

Tuberosity ( GT) mal union or non-union

Question 7

CRPP for Humeral fracture risks?
Anterior?
Lateral?

Answer 7

Lateral- axillary nerve

Anterior: musculocutaneous

Question 8

ORIF versus Nail in Humeral Shaft Fracture?

Answer 8

ORIF with lower rates of reoperations and non-union

Question 9

The first and last muscle to Recover with radial nerve palsy

Answer 9

1. BR

Last: EIP

Question 10

Lis Franc Amputation may require what?

Answer 10

Soft tissue balancing

Generlly creates a varus pull and may ned to move TA laterally

Question 11

Congenital radial head dislocations are associated with what condition ?

Answer 11

Osteogenesis Imperfecta Type V