Although somewhat confusing and laborious, a detailed study of the human spine must be the basic factor in an understanding of certain of its clinical disorders. The one selected for discussion here is spondylolisthesis, a condition or anomaly formerly mentioned only as occurring in women because of its relation to maternal dystocia. Recent investigation has sought the cause of pain and disabilities affecting the lower part of the back, which result in difficulties in awarding compensation when the condition is directly associated with the traumas of occupation or when distress and restricted activity are chronically prolonged exclusive of a known trauma. In the course of this investigation the condition and its alleviation have become prominent in surgical research. The advent of high grade roentgenologic aid in the clinical study of the human spine has added to knowledge of the anatomic and pathologic character of these formerly obscure conditions affecting the
SPEED K. SPONDYLOLISTHESISTREATMENT BY ANTERIOR BONE GRAFT. Arch Surg. 1938;37(2):175–189. doi:10.1001/archsurg.1938.01200020003001
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