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Principles and practice of spinal adjustment; for the use of students and practitioners . ll be on line with each other, while, when thevertebra is rotated the transverse process on one side will beposteriorly displaced while the transverse process on theother side is displaced anteriorly, depending upon thedirection of the rotation. Subluxations which, from the position of the spinous VERTEBRAL SUBLUXATIONS 271 process are apparently lateral, are consequently in most caseseither rotary or unilateral compression subluxations. Fig. Subluxatioji.—An anterior subluxation is one inwhic
Principles and practice of spinal adjustment; for the use of students and practitioners . ll be on line with each other, while, when thevertebra is rotated the transverse process on one side will beposteriorly displaced while the transverse process on theother side is displaced anteriorly, depending upon thedirection of the rotation. Subluxations which, from the position of the spinous VERTEBRAL SUBLUXATIONS 271 process are apparently lateral, are consequently in most caseseither rotary or unilateral compression subluxations. Fig. Subluxatioji.—An anterior subluxation is one inwhich a vertebra is £<nterior t its adjacent vertebrae. Thisform of subluxation js comparatively rare, and a pure ante-rior displacement of a vertebra, without dislocation is prac-tically only possible iu the upper cerv^ical region of the is true owing to the shape and placement of the articularprocesses in the thoracic and lumbar regions. In the thoracicregion the surfaces of the articular processes are placedagainst each other in such a manner as to practically entirely. Fig. Subluxation. preclude the possibility of a forward displacement of one ofthe vertebrae in this region. There are, however, cases inwhich by palpation of the transverse processes a vertebrain this region is found to be anterior, but this is usually athinning of the anterior portion of the disc as a result ofwhich the anterior part of the vertebra which rests upon thatdisc is displaced downward, while its posterior portion israised and brought forward; thus the spinous and transverseprocesses will be felt as being close to those of the vertebraabove the one affected. In the lumbar region of the spine the length of the inferiorarticular processes, and their convex surface fitting into theconcavity on the tip of the superior processes of the vertebra 272 SPINAL ADJUSTMENT below, effectively prevent any forward displacement of avertebra in this region. The fifth lumbar vertebra is, how
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Keywords: ., bookcentury1900, bookdecade1910, bookidprinciplespr, bookyear1915