Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
discomfort behind the knee on forced dorsiflexion of the foot; a sign of thrombosis in the lower limb.
Etymology: John Homans, American surgeon, 1877-1954; L, signum, mark
pain in the calf with dorsiflexion of the foot, indicating thrombophlebitis or thrombosis. It is not, however, a reliable indicator of either medical problem.