bone polar moment of inertia femur polar moment of inertia 2013-06-27T18:05:54Z A calculated geometric property of a cross section of the femur, the major bone in the upper portion of the hindlimb of quadrupeds or the lower limb of bipeds. It is a measure of the distribution of material around a given axis and is related to the inherent rotational stiffness of the bone around that axis. Bone is the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts. CMO:0001668 JSmith clinical_measurement_ontology femoral polar moment of inertia femur Ip femur area moment of inertia femur cross-sectional moment of inertia calculated femur cross-sectional area