Does ankylosing spondylitis affect the knees?

Related questions

1. Can you still have ankylosing spondylitis with negative HLA b27?
2. What organs does ankylosing spondylitis affect?
3. Is ankylosing spondylitis serious?
4. What autoimmune disease is HLA b27?
5. Does ankylosing spondylitis show on xray?
6. What does it mean if you are HLA b27 positive?
7. Does ankylosing spondylitis get worse with age?
8. What is the best treatment for ankylosing spondylitis?
9. What does a positive HLA b27 antigen test mean?
10. Does stress make ankylosing spondylitis worse?

Tags

1. #bones
2. #effects
3. #spondylitis
4. #difficult
5. #ankylosing
6. #together
7. #ligaments
8. #inflamed
9. #joints
10. #cause
11. #stiffness
12. #spine
13. #particular
14. #arthritis
15. #systems
16. #making
17. #become