[Photo-elastic study on the stress distribution in the cervical spine with various head positions].
D000328:Adult; D002574:Cervical Vertebrae / Q000502:physiology*; D004548:Elasticity; D006257:Head; D006801:Humans; D007403:Intervertebral Disc / Q000502:physiology; D008297:Male; D055095:Optics and Photonics; D011187:Posture