Patient Positioning
Patient lies supine with a small pillow under the dorsal aspect of the ankle.
Probe Positioning
Place the transducer on a longitudinal plane over the joints of the toe of interest.
FDL: flexor digitorum longus tendon
FDB: flexor digitorum brevis tendon
Note: in normal conditions the submetatarsal bursa is not visible – in submetatarsal bursitis complex fluid superficial to the metatarsal heads seperate from tendon can be detected.