|
Deformity |
Joint |
|
1. Swan neck deformity |
DIPJ flexed |
|
2. Boutonniere deformity |
PIPJ flexed |
|
3. Z deformity of thumb |
MCPJ flexed |
|
4. Ulnar deviation |
at MCPJ |
Figure - Ulnar deviation (in Rheumatoid Arthritis)