title: The convex-concave rule and the lever law.
authors.affiliation: jochen-schomacher@web.de
authors.forename: Jochen
authors.initials: J
authors.lastname: Schomacher
mesh_terms: D001696:Biomechanical Phenomena; D006801:Humans; D007596:Joints / Q000502:physiology*; D009068:Movement / Q000502:physiology*; D026201:Musculoskeletal Manipulations; D011597:Psychomotor Performance / Q000502:physiology*; D012399:Rotation; D012785:Shoulder Joint / Q000502:physiology