Rheumatoid Thumb
Nalebuff Classification
Type I - Boutonniere
- commonest
- MP flexion / IP hyperextension
- usually EPB rupture with EPL subluxation
Type II
- Boutonniere & Swan Neck
- doesn't exist according to Nalebuff
Type I - Boutonniere
- commonest
- MP flexion / IP hyperextension
- usually EPB rupture with EPL subluxation
Type II
- Boutonniere & Swan Neck
- doesn't exist according to Nalebuff
Degenerative arthritis at trapeziometacarpal joint (CMC)
- trapezoid - metacarpal
Commonest hand joint involved in OA
Most common in older women