title: Biomechanics update #2. Basic biomechanics: lever arm, instant center of motion, moment force, joint reactive force.
authors.affiliation: Department of Surgery, University of Arizona College of Medicine, Tucson.
authors.forename: R G
authors.initials: RG
authors.lastname: Volz
mesh_terms: D001696:Biomechanical Phenomena; D004551:Elbow Joint / Q000502:physiology; D005684:Gait; D006615:Hip / Q000502:physiology / Q000601:surgery; D006801:Humans; D007596:Joints / Q000502:physiology*; D009068:Movement; D010027:Osteotomy