Journal of Bone and Joint Surgery, 1937;19:745-748.
© 1937 by The Journal of Bone and Joint Surgery, Inc
LOW-BACK PAIN
The Anatomical Structure of the Lumbar Region, Including Variations
THEODORE A. WILLIS M.D.
The various tissues of which the lower back is composed are particularly liable to aches and pains because of the mechanical strains centered upon them by assumption of the upright posture and by the incidence at this site of anomalies and defects of development.