Skip to main content
. 2021 Jun 18;21(85):e169–e176. doi: 10.15557/JoU.2021.0027

Fig. 6.

Fig. 6.

Trigger finger injection. A. Transducer and needle positioning for simulated trigger finger injection. B. At the level of the metacarpal head (Met), the flexor tendons (Flex) are shown, and the A1 pulley (asterisks) is thickened. A 25-gauge needle (arrows) is inserted underneath the pulley using an in-plane axial approach