title: A simple technique for measuring lumbar spinal flexion. Its use in orthopaedic practice.
mesh_terms: D000328:Adult; D001416:Back Pain / Q000209:etiology* / Q000503:physiopathology; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D013122:Spinal Diseases / Q000503:physiopathology; D013167:Spondylitis, Ankylosing / Q000175:diagnosis / Q000503:physiopathology