EVALUATION OF LUMBOSACRAL ANGLE AMONGST CENTRAL INDIANS
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2017, Vol 6, Issue 83
Abstract
BACKGROUND Lumbosacral angle (LSA) or Sacrovertebral angle is clinically an important radiographic parameter related to the lordotic curve and is valuable in the management of patients with low back disorders. Its formation is related to evolution of bipedal gait and erect posture. It is defined as an angle between the body of the fifth lumbar vertebra and the base of the sacrum which measures about 1200 in normal adult. Reviewing the literature, it has been found that there is no conformity amongst the various workers regarding its definition and hence the methods of measurement, thus leading to variable values. The present study aims to find the normal range of LSA in Central Indians. MATERIALS AND METHODS In the present descriptive study, LSA is measured in a) Ten cadavers (Age: 40-60 years) by Conventional method with goniometer and b) On digital radiographs of 200 lumbosacral spines (lateral view) by Conventional and Ferguson’s technique digitally in the age groups of 31-40 years (Group I) and 41-50 years (Group II) in both the sexes. RESULTS a) In cadavers, the average angle was 1310 (Range:1100-1500); and b) In digital radiographs, mean angle by Conventional method was found to be 137.470 ± 8.44 in males and 135.020 ± 8.61 in females in group I. In group II, it was 133.110 ± 8.46 in males and 133.650 ± 8.45 in females. By Ferguson’s method, it was 33.740 ± 7.65 in males and 39.520 ± 7.17 in females in group I and 38.270 ± 8.66 in males and 40.570 ± 7.18 in females in group II. CONCLUSION By conventional method, the average LSA was greater in males of group I. It decreased in Group II in both sexes. By Ferguson’s technique, it was greater in females in both the age groups. It increased in group II in both the sexes. Apart from medicolegal importance, the knowledge of normal range of LSA in Central Indians is going to help the Orthopaedicians in the evaluation and treatment of low back pain. Measurement of LSA is also useful in the designing and development of spinal implants and instrumentation.
Authors and Affiliations
Sonali Agichani, Joshi S. D
Keywords
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- EP ID EP276114
- DOI 10.14260/jemds/2017/1258
- Views 82
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