Fig. 1From: Unilateral-dominant reduction in muscle volume in female knee osteoarthritis patients: computed tomography-based analysis of bilateral sidesEstimation of muscle volume using CT-image analysis. a CT image of both legs of a patient. Red line indicates the location of a digital slice taken approximately 200 mm above the knee joint. b CT images of a cross section of bilateral muscles were semi-automatically analyzed in a 10-mm region of interest (ROI) using the MIMICS® softwareBack to article page