MSK

Question 1

What is the positioning of the arm in an ANTERIOR shoulder dislocation?

Answer 1

ABducted + Externally rotated

Question 2

What nerve injury must you rule out in an anterior shoulder dislocation?

Answer 2

Axillary nerve

Question 3

Define Hill-Sachs lesion

Answer 3

Groove on humeral head=compression fracture from impact against glenoid
complication of anterior shoulder dislocation

Question 4

Define Bankart lesion

Answer 4

Glenoid inferior rim fracture

complication of anterior shoulder dislocation

Question 5

What is the positioning of the arm in a POSTERIOR shoulder dislocation?

Answer 5

ADduction + Internally rotated

Question 6

What is the MC type of hip dislocation?

Answer 6

Posterior hip dislocation

Question 7

Positioning of the leg in posterior hip dislocation?

Answer 7

Shortened Leg + Internally Rotated + ADducted

Question 8

Complication/subsequent injuries of a posterior hip dislocation?

Answer 8

1. Avascular necrosis

2. Sciatic nerve injury

Question 9

Positioning of the leg in hip fractures

Answer 9

Shortened Leg + ABducted + Externally Rotated

Question 10

Slipped Capital Femoral Epiphysis clinical presentation

Answer 10

Hip, thigh, or knee pain with LIMP + External rotation in AA obese male boy going through puberty

Question 11

what does Slipped Capital Femoral Epiphysis put you at an increased risk for?

Answer 11

Avascular necrosis

Question 12

Slipped Capital Femoral Epiphysis treatment

Answer 12

NWTB w/ crutches–>ORIF

Question 13

Supracondylar humeral fracture MOI

Answer 13

FOOSH with hyperextended elbow

Question 14

What are the complications of a supracondylar humeral fracture?

Answer 14

1. Median n. + Brachial artery injury= Volkmann ischemic contracture
2. Radial nerve injury

Question 15

What nerve injury must you rule out in a humeral shaft fracture?

Answer 15

Radial N. injury

Question 16

What nerve injury must you rule out in a proximal humerus/humeral head fracture?

Answer 16

Brachial plexus injury

Question 17

L4 sensory, weakness and reflex deficits in herniated disc

Answer 17

Sensory: Anterior thigh pain, sensory loss to medial ankle
Weakness: Ankle dorsiflexion
Reflex: loss of knee jerk

Question 18

L5 sensory, weakness and reflex deficits in herniated disc

Answer 18

Sensory: Lateral thigh/leg/hip/groin paresthesia & pain, dorsal of foot
Weakness: Big toe dorsiflexion
Reflexes: Normal

Question 19

SI sensory, weakness and reflex deficits in herniated disc

Answer 19

Sensory: Posterior leg/calf
Weakness: Plantarflexion
Reflex: Loss of ankle jerk

Question 20

Properly identify the disorder described below:

Pain is worse with prolonged standing/walking (extension)
Pain is relieved with sitting/walking uphill (flexion)

Answer 20

Spinal Stenosis

Question 21

If you suspect septic arthritis, what diagnostic study provides a definitive dx? findings?

Answer 21

Arthrocentesis: Joint fluid aspirate

-WBC >50,000 (mostly PMN’s)

Question 22

Abx treatment in Septic Arthritis

Answer 22

Gram +: Nafcillin

Gram - : Ceftriaxone

Question 23

What is the MC organism in Septic Arthritis?

Answer 23

S. aureus

Question 24

What is there an increased incidence of in a scaphoid fracture? why?

Answer 24

Avascular blood supply: Radial artery passes through here

Question 25

Scaphoid fracture management

Answer 25

Thumb Spica: nondisplaced | ORIF: displaced

Question 26

Correctly identify the fracture/injury described below: FOOSH with wrist flexion Ventral Angulation

Answer 26

Smith Fracture

Question 27

Correctly identify the fracture/injury described below: FOOSH with wrist Extension Dosal Angulation

Answer 27

Colles fracture

Question 28

What is the MC complication in Colles fracture?

Answer 28

Extensor polices longus tendon rupture

Question 29

Colles fracture treatment

Answer 29

Sugar tong splint

Question 30

What is the MC fracture of the hand?

Answer 30

Boxer's fracture: Distal metaphysics of 5th metacarpal

Question 31

Boxers fracture treatment

Answer 31

Ulnar gutter splint

Question 32

Correctly identify the disorder described below and treatment: Pain along the radial aspect of the wrist redacting to the forearm Works as a clerical worker + Finkelstein test

Answer 32

de Quervain Tenosynovitis

Question 33

Carpal Tunnel syndrome treatment

Answer 33

Volar Splint + NSAIDs | Steroid injections

Question 34

Correctly identify the injury described below: Hyperabduction injury of thumb Pain & swelling ulnar aspect of thumb MCP tenderness Weakness with pinching

Answer 34

Gamekeeper's thumb: Ulnar Collateral Ligament (UCL) Sprain @ 1st MCP joint

Question 35

Gamekeeper's thumb treatment

Answer 35

Thumb Spica

Question 36

Whats the MC type of ankle dislocation?

Answer 36

Posterior

Question 37

What is the MCly injured collateral ligament in an ankle sprain? why?

Answer 37

Anterior Talofibular (ATFL)= main stabilizer during inversion

Question 38

What other x-ray should you order in everyone with a distal ankle fracture? Why?

Answer 38

Proximal view to rule out Maisonneuve fracture

Question 39

Define Maisonneuve fracture

Answer 39

Spiral proximal fibular fracture as a result of distal medial malleolar fracture and/or deltoid ligament rupture

Question 40

Define Jones Fracture

Answer 40

Transverse fracture through the diaphysis of the 5th metatarsal

Question 41

Identify the injury described: Axial loading to plantar flexed foot Pain along the dorsum of the mid foot Swelling and ecchymosis along plantar aspect/arch Fleck sign on x-ray

Answer 41

Lisfranc injury: Midfoot dislocation | Fracture at the base of the 2nd metatarsal