hallux rigidus

Definition

Painful restriction of dorsiflexion of the great toe 

- secondary to degenerative changes in MTPJ

- initially pain and synovitis

- osteophytes don't form medially or on plantar aspect

Epidemiology 

Two peaks

1.  Adolescence F > M

2.  Middle Age M > F

Aetiology

Often Idiopathic

Trauma