Room-air TCOM values ( mean mmHg , 95 % confidence interval ( CI ) ) were : lateral leg 41.3 , CI 37.8 to 44.7 ; lateral malleolus 38.6 , CI 34.1 to 43.1 ; medial malleolus 43.9 , CI 40.2 to 47.6 ; dorsum , between first and second toe 39.3 , CI 35.9 to 42.7 ; dorsum , proximal to fifth metatarsal-phalangeal joint 46.4 , CI 43.4 to 49.3 ; plantar 52.3 , CI 49.6 to 55.1 .