The optimum spine.
D001696:Biomechanical Phenomena; D006801:Humans; D007403:Intervertebral Disc / Q000502:physiology; D008159:Lumbar Vertebrae / Q000502:physiology; D008954:Models, Biological; D009038:Motion; D009132:Muscles / Q000502:physiology; D013131:Spine / Q000502:physiology*