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Vol.55 No.4-5 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/246

Title: POSITION OF AXIS FOR ROTATION AT THE INTERVERTEBRAL JOINT IN RATS
Authors: Tohno, Yoshiyuki
Tohzno, Setsuko
Azuma, Cho
Moriwake, Yumi
Keywords: Intervertebral joint
spine
vertebra
rat
Issue Date: 31-Oct-2004
Publisher: 奈良医学会
奈良県立医科大学
Citation: Journal of Nara Medical Association Vol.55 No.4-5 p.221-226
Abstract: To elucidate whether the position of axis for rotation at the intervertebral joint is related to the spinal curvature, the authors investigated the spinal columns of rats. The spinal column of the rat was composed of 7 cervical, 13 thoracic, 6 lumbar, 4 sacral, and 27 coccygeal vertebrae. It was observed that the position of axis for rotation at the intervertebral joint was shifted on the superior and inferior views of the 2nd thoracic vertebra and was next shifted on the superior and inferior views of the 10th thoracic vertebra. X-ray examination demonstrated that lordosis was seen in the cervical and lower 1umbar (L4-L6) spine, whereas kyphosis was seen in the thoracic and upper lumbar (Ll-L3) spine. The present study did not support the possibility that the position of axis for rotation at the intervertebral joint was dorsal in the spinal site of lordosis, whereas it was ventral in the spinal site of kyphosis.
URI: http://hdl.handle.net/10564/246
ISSN: 13450069
Appears in Collections:Vol.55 No.4-5

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