Flexion and traction effect on C5-C6 foraminal space

被引:24
作者
Humphreys, SC
Chase, J
Patwardhan, A
Shuster, J
Lomasney, L
Hodges, SD
机构
[1] Fdn Res, Chattanooga Orthopaed Grp, Chattanooga, TN 37404 USA
[2] Loyola Univ, Dept Orthopaed Surg, Maywood, IL 60153 USA
[3] Loyola Univ, Dept Radiol, Maywood, IL 60153 USA
[4] Univ S Carolina, Dept Orthopaed Surg, Columbia, SC 29208 USA
来源
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION | 1998年 / 79卷 / 09期
关键词
D O I
10.1016/S0003-9993(98)90179-4
中图分类号
R49 [康复医学];
学科分类号
100215 ;
摘要
Objective: To determine the effects of cervical flexion and traction on foraminal volume and isthmus area at the C5-C6 foraminal space in cadavers. Design: This study evaluated the foraminal space at C5-C6 in cadaver specimens during flexion and traction of the cervical spine. Setting: An orthopedic biomechanics laboratory and department of radiology of a university medical center. Patients or Other Participants: Nine cadaver cervical spines, C1 through T3, were used in the study. Superficial tissues were dissected, preserving the ligaments. Interventions: Proximal and distal portions of the cadaver spines were potted using bone cement. Spines were mounted and imaged with computed tomography in neutral position, 15 degrees of flexion, and maximum flexion with and without 25lbs of axial traction. Main Outcome Measures: The areas and volumes of the foramen were measured and calculated. Results: Flexion alone significantly increased the foraminal volume and isthmus area at C5-C6, Traction resulted in little additional change. Conclusions: For cervical spines with mild to moderate degenerative changes at C5-C6, cervical flexion with or without traction produces significant increases in foraminal volume and area at the foraminal isthmus. (C) 1998 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation.
引用
收藏
页码:1105 / 1109
页数:5
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