X-ray studies of the lumbosacral spine.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011187:Posture; D011859:Radiography; D012447:Sacrum / Q000000981:diagnostic imaging*