Introduction Overview Indications a b c Intermuscular plane Proximal between Distal between Preparation Anesthesia general sciatic or saphenous nerve blocks Position supine Tourniquet exsanguinate limb Approach Incision proximal landmark distal landmark Superficial dissection a b c Deep dissection a b c Extension proximal distal Dangers Anatomy structure A k Anatomy structure A Anatomy structure A a Anatomy structure A a