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