femoral neck biomechanical measurement femur ultimate force femoral neck ultimate force 2013-07-24T12:05:51Z A calculated measurement of the force necessary to fracture the femural neck, the heavy, flattened, pyramidal process of bone connecting the head and the shaft of the femur, the major bone in the upper portion of the hindlimb of quadrupeds or the lower limb of bipeds, under specified conditions and thus a measure of the biomechanical strength of that bone. Bone is the hard, rigid form of connective tissue constituting most of the skeleton of vertebrates and composed chiefly of calcium salts. CMO:0001703 JSmith clinical_measurement_ontology