lis franc arthritis

Definition

Acquired Adult Flatfoot Deformity (AAFD)

- collapse of medial longitudinal arch

- secondary to ligament / tendon / joint or bony pathology

Classification

1. Congenital

Flexible / Physiological

Ligamentous Laxity (DIAL HOME)

Rigid 

- Congenital Vertical Talus 

- Tarsal Coalition