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Scand. 12, 185 (1963). Google Scholar Objective: The goal of this study was to measure intradiscal pressure to complement earlier data from Nachemson with dynamic and long-term measurements over a broad range of activities. Methods : Under sterile surgical conditions, a pressure transducer with a diameter of 1.5 mm was implanted in the nucleus pulposus of a nondegenerated L4-L5 disc of a male volunteer 45-years-old and weighing 70 kg. We conducted intradiscal pressure mea-surements with one volunteer performing various activities normally found in daily life, sports, and spinal therapy. Objectives.

Alf nachemson intradiscal pressure

Biomechanics Laboratory and Department of Orthopedic Surgery, University of California, San Francisco, United States and Department of Orthopaedic Surgery, University of Gothenburg, Sweden. Abstract. By measurement of intradiscal pressure in vitro, the hydrostatic properties of the nucleus pulposus of normal lumbar intervertebral disc were proven. The hydrodynamic properties seem to exist also in the somewhat degenerated disc, but not in the more severely deranged ones.

Sagittal halsryggställning fem år efter operation med fusion

*FREE* shipping on qualifying offers. In the mid-1950s Alf Nachemson was given an assistant research position under Professor Carl Hirsch at Uppsala University Hospital.

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A study of common movements, maneuvers by late Alf Nachemson, by inter-discipline migrations.

The hydrodynamic properties seem to exist also in the somewhat degenerated disc, but not in the more severely deranged ones.
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We conducted intradiscal pressure mea-surements with one volunteer performing various activities normally found in daily life, sports, and spinal therapy. Objectives. The goal of this study was to measure intradiscal pressure to complement earlier data from Nachemson with dynamic and long-term measurements over a broad range of activities. 2016-04-11 · As the most direct method of estimating spinal loads, intradiscal pressure (IDP) has been extensively studied in intervertebral discs in vivo (Nachemson and Morris, 1964, Sato et al., 1999, Takahashi et al., 2006, Wilke et al., 1999) and in vitro (McNally and Adams, 1992, Nachemson, 1960, Naylor and Smare, 1953, Panjabi et al., 1988) over the past six decades. 2008-08-01 · Intradiscal pressure (IDP) is the hydrostatic pressure measured in the nucleus pulposus of a non-degenerate intervertebral disc.

There is not a lot of data on intradiscal pressure (IDP) from (live) human subjects except for Alf Nachemson, Hans-Joachim Wilke, and one other person whose name escapes me.
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3 In 1965, Nachemson observed that the pressure in the AF and NP were different and that disc degeneration could alter the pressure. 4 They measured in vivo loading of the spine during different postures 2016-11-26 · However, Alf Nachemson, M.D., Ph.D., the Swedish orthopedist who pioneered studies of intradiscal pressure severely criticized the experimental setup [22]. In the early 1980s, Nachemson and two colleagues found that during active traction, intradiscal pressure actually rises when the back muscles contract to resist the traction [23].

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Lumbar intradiscal pressure - LIBRIS

Objectives: The goal of this study was to measure intradiscal pressure to complement earlier data from Nachemson with dynamic and long-term measurements over a broad range of activities. Nachemson, A.: The influence of spinal movements on the lumbar intradiscal pressure and on the tensile stresses in the annulus fibrosus. Acta Orthop. Scand. 12, 185 (1963). Google Scholar Abstract. By measurement of intradiscal pressure in vitro, the hydrostatic properties of the nucleus pulposus of normal lumbar intervertebral disc were proven.

Sagittal halsryggställning fem år efter operation med fusion

Alf Nachemson,. 17 Jun 2020 Nachemson, A., and Elfström, G. (1970). Intravital dynamic pressure measurements in lumbar discs. A study of common movements, maneuvers by late Alf Nachemson, by inter-discipline migrations. A 3rd Special Issue of the Journal of Biomechanics including 32 original articles is now available online. 15 Sep 2015 (2001) wanted to compare intradiscal pressures and spinal fixator loads Nachemson (1966, 1981) reported 40% higher intradiscal pressure 21 Aug 2010 ABSTRACT.

Semantic Scholar extracted view of "Lumbar intradiscal pressure. Experimental studies on post-mortem material." by A. Nachemson アルフ・ナッケムソン（ Alf Nachemson MD, PhD、 1931年 6月1日 - 2006年 12月4日）は、スウェーデン生まれの整形外科医師。Professor, Sahlgrenska University Hospital and Göteborg University。. 腰痛の原因解明と治療に多大な業績を残した。. Alf Nachemson, MD, PhD (1931–2006) Intradiscal pressure in the degenerated porcine intervertebral disc Sten Holm Considerations on the later studies on intradiscal pressures.