Standing lateral X-rays in the neutral, flexion, and extension positions as well as seated lateral X-rays were taken as part of the initial clinical evaluation in all patients, in that sequence. Materials and MethodsĬonsecutive adult patients presenting for lumbar complaints at an orthopedic surgical spine clinic at a single institution were evaluated. We hypothesized that seated lateral radiographs will effect greater kyphosis and thus may be a simple, more effective method for dynamic assessment of the lumbar spine in clinical practice. The purpose of the present study is to evaluate global and segmental kyphosis (changes in lordosis) in the lumbar spine in standing flexion versus seated lateral radiographs. 2, 11 Apart from these studies there is a paucity of work that directly compares standing flexion versus sitting radiographs as a means for dynamic assessment of the lumbar spine. 9, 10 A few additional studies have evaluated sitting versus standing radiographs as a means to determine the most appropriate alignment with deformity correction, although these studies have been aimed more at optimizing sagittal posture with deformity correction rather than as an assessment of angular range of motion. Recently, in a study of 60 patients, Hey et al showed greater lumbar kyphosis in sitting versus standing flexion lateral lumbar X-rays. All subjects Allied Health Cardiology & Cardiovascular Medicine Dentistry Emergency Medicine & Critical Care Endocrinology & Metabolism Environmental Science General Medicine Geriatrics Infectious Diseases Medico-legal Neurology Nursing Nutrition Obstetrics & Gynecology Oncology Orthopaedics & Sports Medicine Otolaryngology Palliative Medicine & Chronic Care Pediatrics Pharmacology & Toxicology Psychiatry & Psychology Public Health Pulmonary & Respiratory Medicine Radiology Research Methods & Evaluation Rheumatology Surgery Tropical Medicine Veterinary Medicine Cell Biology Clinical Biochemistry Environmental Science Life Sciences Neuroscience Pharmacology & Toxicology Biomedical Engineering Engineering & Computing Environmental Engineering Materials Science Anthropology & Archaeology Communication & Media Studies Criminology & Criminal Justice Cultural Studies Economics & Development Education Environmental Studies Ethnic Studies Family Studies Gender Studies Geography Gerontology & Aging Group Studies History Information Science Interpersonal Violence Language & Linguistics Law Management & Organization Studies Marketing & Hospitality Music Peace Studies & Conflict Resolution Philosophy Politics & International Relations Psychoanalysis Psychology & Counseling Public Administration Regional Studies Religion Research Methods & Evaluation Science & Society Studies Social Work & Social Policy Sociology Special Education Urban Studies & Planning BROWSE JOURNALS
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