MSK summary

Question 1

What appearance does genau valgus/varus give?

Answer 1

Valgus = knock knees (more pressure laterally)
Varus = bow legged (more pressure medially)

Question 2

What is ankylosing spondylitis and what joints does it effect?

Answer 2

Chronic inflammatory condition of spine and sacroiliac joints
Causes eventual fusion of the joints

Question 3

What antibiotics predispose to tendonitis (including Achilles tendonitis)?

Answer 3

Quinolone

Question 4

Which nerve is most likely to be affected during an anterior shoulder dislocation?

Answer 4

Axillary

Question 5

What is osteochondritis dissecans and what are the most common sites?

Answer 5

Separation of bone and cartilage within a joint

Most common: medial femoral condyle, talar dome, femoral head, humeral capitellum)

Question 6

What diseases predispose to instability in the cervical spine?

Answer 6

Rheumatoid arthritis

Down syndrome

Question 7

How many X-rays are taken of a suspected scaphoid fracture and how long may it take to show up on an X-ray?

Answer 7

4 views (AP, PA and both lateral views)
2 weeks (once bone reformation has begun)

Question 8

What are the different types of bone cells and what are their functions?

Answer 8

Osteoprogenitor: reserve pool of osteoblasts
Osteoblasts: bone forming cells
Osteoclasts: bone destroying cells
Osteocytes: bone cells stuck within matrix