US tarsal tunnel short axis view

This ultrasound image shows the structures within the tarsal tunnel in the transverse plane (short-axis view).

TP: tibialis posterior tendon; FDL: flexor digitorum longus tendon; FHLt: flexor hallucis longus tendon; FHLm: flexor hallucis longus muscle; V: tibial vein; A: tibial artery; dotted ellipse: tibial nerve; arrowheads: flexor retinaculum.
Left side of image: anterior; Right side of image: posterior.

Courtesy of Mederic Hall, MD and Sathish Rajasekaran, MD.