Legend
1. Ulna
2. Metacarpal bones
3. Proximal phalanges
4. Intermediate phalanges
5. Distal phalanges
6. Thumb saddle joint
7. Radius
Legend
1. Ulna
2. Metacarpal bones
3. Proximal phalanges
4. Intermediate phalanges
5. Distal phalanges
6. Thumb saddle joint
7. Radius