| Type | Sites |
| Osteoarthritis | Proximal and distal interphalangeal joints |
| Rheumatoid arthritis | Metacarpophalangeal and proximal interphalangeal joints |
| Crystal induced arthritis | Second and third metacarpophalangeal joints |
Experience is knowledge. Rest is information.
| Type | Sites |
| Osteoarthritis | Proximal and distal interphalangeal joints |
| Rheumatoid arthritis | Metacarpophalangeal and proximal interphalangeal joints |
| Crystal induced arthritis | Second and third metacarpophalangeal joints |