Tarsal Tunnel Syndrome Surgery
.Surgical Anatomy

The incision spans the flexor retinaculum and the abductor hallucis muscle (area in rectangle below)

.Procedure
1. The flexor retinaculum is being divided to expose the underlying structures. The abductor hallucis muscle is covering the medial and lateral plantar tunnels.

 

 
2. The abductor hallucis muscle is pulled back, its fascia forming the medial and lateral tunnels is divided above each tunnel; and finally the septum is divided.
   
3. Once the septum is removed the vessels and nerves share a common tunnel, allowing more room for movement and less compression.