Figure 28-2 A, Lithotomy position, showing leg placement. B and C, Positioning is poor because the unpadded lithotomy leg holder can compress the common peroneal nerve laterally or the saphenous nerve medially. (Adapted from Martin JT: Lithotomy positions. Anesth Analg 1992;75:275 and from Smith BE: Obstetrics. In Martin JT, Warner MA [eds]: Positioning in Anesthesia and Surgery, 3rd ed. Philadelphia, WB Saunders, 1997, pp 47–70.)