Effect of positive pressure or ankle flexion on calf vein blood volume and venous haemodynamics.
D000843:Ankle Joint / Q000502:physiology; D001810:Blood Volume; D006439:Hemodynamics; D006801:Humans; D010991:Plethysmography; D011312:Pressure; D012501:Saphenous Vein / Q000502:physiology*