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Lumbar intradiscal pressure - LIBRIS

Alf Nachemson, M.D. Uppsala . Alf Nachemson. Next Article A SIMPLE METHOD OF INTRA-ARTERIAL Nachemson A. (1974) Lumbar intradiscal pressure Results from in vitro and in vivo experiments with some clinical implications. In: Hartmann F. (eds) Biopolymere und Biomechanik von Bindegewebssystemen. Alf Nachemson, MD, PhD, 1931–2006: an exceptional pioneer in spine care.

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The most reliable results seemed to come from the intradiscal pressure measurements from studies by Nachemson, 1966. A new similar study by Wilke et al. (1999) complemented the present study and confirmed some of the earlier data, although it contradicted others. The new data did not confirm that the load on the spine is higher in sitting compared with standing and did not find distinct differences between positions in which subjects were lying down. Intravital Dynamic Pressure Measurements in Lumbar Discs: A Study of Common Movements, Maneuvers and Exercises Issue 1 of Scandinavian journal of rehabilitation medicine: Supplement, ISSN 0346-8720: Authors: Alf Nachemson, Gösta Elfström: Publisher: Almqvist & Wiksell, 1970: Original from: the University of Michigan: Digitized: Aug 13, 2008 data are from pioneering intradiscal pressure measure-ments recorded by Nachemson during the 1960s. Since that time, there have been few data to corroborate or dispute those findings. Methods.

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2007-02-14 · In the mid-1950s Alf Nachemson was given an assistant research position under Professor Carl Hirsch at Uppsala University Hospital. To study the loading conditions of the human spine he developed a method for intradiscal pressure measurements.

Alf nachemson intradiscal pressure

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Alf nachemson intradiscal pressure

Measurement of intradiscal pressure is instrumental in explaining, from a mechanical point, the occurrence of posterior ruptures in the lumbar discs, and provides a basis for the rational treatment of patients with low-back pain in so far as these exhibit increase of pain on increased mechanical loads. Intravitally-performed measurements of disc pressure over the last 20 years in more than 100 individuals have demonstrated how the load on the lumbar disc varies with the position of the subject's body and during the performance of various tasks, both in standing and in sitting. We referred to data from Nachemson and from Sato et al. regarding intradiscal pressure and to the methods of Shirazi-Adl for data for other material characteristics (see text for these references). The mid-position model bears a load of 294 N in the vertical direction, while the models of the flexed and extended positions bear loads of 15 N-m. An interesting observation was that changes in intradiscal pressure appeared to be minimal until a threshold distraction tension was reached.

Serie: Acta orthopaedica Scandinavica.Supplementum, 0300-8827 ; 43 2008-08-01 Disc pressure measurements in para- and tetraplegic patients. A study of of mobilization and exercise in para- and tetraplegic patients. Hein-Sørensen O, Elfström G, Nachemson A. The intradiscal lumbar pressure was measured in 10 patients with para- or tetraplegia and in one normal subject. Even the famous Alf Nachemson studies on disc pressures showed increased Hg (on discs, which I equate with increased loading on the spine) with flexed postures, esp. slumped sitting or leaning forwards seated into flexed posture.
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Alf nachemson intradiscal pressure

A study of common movements maneuvers and exercises. Lumbar intradiscal pressure: experimental studies on post-mortem material(1960年) The lumber Spine. An orthopaedic challenge (1976年) 外部リンク [編集] 追悼European Spine Journal; Alf Nachemson Memorial Lecture; The Truth About Back Pain In vivo measurements of intradiscal pressure;: Discometry, a method for the determination of pressure in the lower lumbar disc, ([Technical report]).

Since that time, there have been few data to corroborate or dispute those findings. Methods.
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Objective: The goal of this study was to measure intradiscal pressure to complement earlier data from Nachemson with dynamic and  LIBRIS titelinformation: Lumbar intradiscal pressure : experimental studies on post-mortem material / Alf Nachemson.