Ankle arthrocentesis

With the leg-foot angle at 90 degrees, the needle is inserted at a point just medial to the tibalis anterior tendon and just lateral to the medial malleolus (arrow). The needle is then directly posteriorly.

Reproduced with permission from: Owen DS. Aspiration and injection of joints in soft tissue. In: Textbook of Rheumatology, 4th edition, Kelley WN, Harris ED Jr, Ruddy S, et al (Eds), WB Saunders, Philadelphia 1993. p.545.

Graphic 63588 Version 2.0