MSK Session 11- Ageing In The MSK System And Pathology Of Joints

Question 1

What accelerates the loss of bone mineral density? (3)

Answer 1

• low reproductive hormones
• poor calcium and vitamin D
• immobilisation of the bone

Question 2

What is osteoporosis?

Answer 2

Weakened bone due to decreased bone mineral density. This is due to bone resorption being greater than bone formation.

Question 3

What is type 1 osteoporosis?

Answer 3

Post menopausal

Question 4

What is type 2 osteoporosis?

Answer 4

Age related

Question 5

What Is a drug that can be given to treat osteoporosis? What does it do?

Answer 5

Bisphosphonates

They reduce osteoclast function, leading to a decreased bone turnover and increased bone mineralisation.

Question 6

What is osteoarthritis?

Answer 6

A disorder of synovial joints due to focal damage of articular cartilage.

Question 7

What is a common sign of osteoarthritis?

Answer 7

Osteophytes- bony nodules caused by the remodelling of bone at joint margins.

Question 8

What are the four radiological features of osteoarthritis?

Answer 8

Decreased joint space
Osteophytes
Sclerosis
Bone cysts

Question 9

Define sarcopenia.

Answer 9

A loss of muscle mass