3D-Location of the L5-S1 fulcrum in relation to the hip

The purpose of the present study was to measure the three-dimensional distance between the hips and L5-S1 joint in vivo so that this data could then be used in computer programs predicting the load at the lumbosacral joint from posture and anthropometric data. Twenty-one subjects were investigated w...

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Bibliographic Details
Published in:Spine (Philadelphia, Pa. 1976) Pa. 1976), 1989-06, Vol.14 (6), p.604-605
Main Authors: NEMETH, G, OHLSEN, H
Format: Article
Language:English
Subjects:
Aged
Biological and medical sciences
Female
Hip Joint - anatomy & histology
Hip Joint - diagnostic imaging
Humans
Investigative techniques, diagnostic techniques (general aspects)
Lumbosacral Region
Male
Medical sciences
Middle Aged
Osteoarticular system. Muscles
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Spine - anatomy & histology
Spine - diagnostic imaging
Tomography, X-Ray Computed
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Summary:The purpose of the present study was to measure the three-dimensional distance between the hips and L5-S1 joint in vivo so that this data could then be used in computer programs predicting the load at the lumbosacral joint from posture and anthropometric data. Twenty-one subjects were investigated with computed tomography; consecutive transverse slices were taken from the low-back to proximal thigh, and three-dimensional coordinates were recorded. The distance between the hips and the L5-S1 joint was 122 mm, corresponding to 6.9% and 7.5% of body height for men and women, respectively (P less than 0.05).
ISSN:0362-2436
1528-1159
DOI:10.1097/00007632-198906000-00011