search:a_search_t: WFRF:Hansson Tommy H. 1943 - SwePub

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Use this page to view details for the decision Memo for Thermal Intradiscal Procedures tears, annular denervation and/or decreased intradiscal pressure ( Derby, Baker et al. Schoene M. A Tribute to Alf Nachemson: The Spine Intervi [37] Alf Nachemson. The lumbar spine and back pain, chapter 9. Lumbar mechanics as re- vealed by lumbar intradiscal pressure measurements, pages 26 Nov 2016 However, Alf Nachemson, M.D., Ph.D., the Swedish orthopedist who pioneered studies of intradiscal pressure severely criticized the There is not a lot of data on intradiscal pressure (IDP) from (live) human subjects except for Alf Nachemson, Hans-Joachim Wilke, and one 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. MEASUREMENT OF INTRADISCAL PRESSURE By ALF NACHEMSON The nucleus pulposus consists of a three dimensional network of collagen fibres, enmeshed in a mucoprotein gel which contains various mucopolysaccharides (Hirsch, Paulson, SylvCn & Snellman ; Bernardi, Happey & Naylor).

Nachemson A. Rheumatol Rehabil, 14(3):129-143, 01 Aug 1975 Cited by: 102 articles | PMID: 125914. Intradiscal pressure together with anthropometric data--a data set for the validation of models. Wilke H, Neef P, Hinz B, Seidel H, Claes L. Clin Biomech (Bristol, Avon) Nachemson, A. and Morris, J.M. (1964) In Vivo Measurements of Intradiscal Pressure. Discometry, a Method for the Determination of Pressure in the Lower Lumbar Discs. The Journal of Bone and Joint Surgery. American Volume, 46, 1077-1092. 2015-02-11 Alf Nachemson illustrated the amount of pressure exerted on the spinal discs in standing, sitting and carrying as opposed to lying.

search:a_search_t: WFRF:Hansson Tommy H. 1943 - SwePub

The hydrodynamic properties seem to exist also in the somewhat degenerated disc, but not in the more severely deranged ones. Intravitally-performed measurements of disc pressure over the 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.

Lumbar intradiscal pressure - LIBRIS

Intradiscal pressure measurement was performed by connecting a cannula inserted into the patient's L4-5 disc space to a pressure transducer.

Discometry, a Method for the Determination of Pressure in the Lower Lumbar Discs. The Journal of Bone and Joint Surgery. American Volume, 46, 1077-1092.
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Nachemson and Morris were the first to assess intradiscal pressure. 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]. 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。. The object of this study was to examine the effect of vertebral axial decompression on pressure in the nucleus pulposus of lumbar discs.

Nachemson, A. 1963: The influence of spinal movements on the lumbar intradiscal pressure and on the tensile stresses in the annulus fibrosus. Acta Orthop. Scand. 33 (3). Google Scholar Intradiscal pressure (IDP) is an essential biomechanical parameter and has been the subject of numerous in vivo and in vitro investigations. Although currently available sensors differ in size and measurement principles, no data exist regarding inter-sensor reliability in measuring IDP. Lumbar intradiscal pressure : experimental studies on post-mortem material / Alf Nachemson.
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J Bone Joint Surg Am 46: 1077-1092. 2. Nachemson A, Elfström G (1970) Intravital dynamic pressure measurements in lumbar discs. A study of common movements maneuvers and exercises.

The cubic regression curve exhibited a high coefficient of determination (r² = 0.875) and Nachemson A, Morris Jm (1964) In Vivo Measurements of Intradiscal Pressure. Discometry, A Method For The Determination Of Pressure In The Lower Lumbar Discs. J Bone Joint Surg Am 46: 1077-1092. 2. Nachemson A, Elfström G (1970) Intravital dynamic pressure measurements in lumbar discs. A study of common movements maneuvers and exercises. intradiscal pressure , 473 mbar for the C1 group, and 391 mbar for the C2 group.
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Pioneering Swedish orthopedic specialist and professor Alf Nachemson, MD, PhD, Based in part on his intradiscal pressure studies, Dr. Nachemson notes that 80% o There is not a lot of data on intradiscal pressure (IDP) from (live) human subjects except for Alf Nachemson, Hans-Joachim Wilke, and one 20 Jan 2020 a leading spinal surgeon at the time called Alf Nachemson carried ( Nachemson 1965) What this study showed is that the lumbar spine is an Nachemson A. The Effect of Forward Leaning on Lumbar Intradiscal Pressure By measurement of intradiscal pressure in vitro, the hydrostatic properties of the nucleus pulposus of normal lumbar intervertebral disc were proven. 14 Jan 2020 1960's poster adapted from Alf Nachemson's research depicting the intradiscal pressure in the lumbar spine in various postures.