Fig. 4From: Repair of thumb defect by using the toenail flap: biomechanical analysis of donor foot—a retrospective cohort studyGait analysis was performed using F-Scan system (Footscan software 7.0 Gait, RsScan International). a The location of eight anatomic important areas of the peak pressure footprint. b Four phases of the total foot contact. c The x-component and y-component of the centre of the pressure. The x-component is positive when positioned medially to the heel-M2/3 axis and negative when it is positioned. A normal case (before the operation)Back to article page