Hallux rigidus
Hallux rigidus of the right foot of 52-year-old man. Joint space of the first metatarsophalangeal joint is narrowed. There are osteophytes on the head of the first metatarsal and the proximal phalanx.
| Term name | Layer | |
|---|---|---|
| 1 | Base | Layer 1 |
| 2 | Shaft; body | Layer 1 |
| 3 | Head | Layer 1 |
| 4 | Proximal phalanx | Layer 1 |
| 5 | Middle phalanx | Layer 1 |
| 6 | Distal phalanx | Layer 1 |
| 7 | Sesamoid bones | Layer 1 |
| 8 | Sesamoid bones | Layer 1 |
| 9 | Base of phalanx | Layer 1 |
| 10 | Shaft of phalanx; body of phalanx | Layer 1 |
| 11 | Head of phalanx | Layer 1 |
| 12 | Osteophyte | Layer 1 |
| 13 | Hallux rigidus | Layer 1 |