肱桡关节在肘关节内侧副韧带损伤后的生物力学变化

doi:10.3969/j.issn.10073205.2017.05.011

河北医科大学学报

肱桡关节在肘关节内侧副韧带损伤后的生物力学变化

1.河北北方学院附属第一医院骨科，河北张家口 075000；2.河北北方学院附属第一医院小儿外科，河北张家口 075000

出版日期:2017-05-25 发布日期:2017-05-23
作者简介:张培楠（1982-），男，河北张家口人，河北北方学院附属第一医院主治医师，医学硕士，从事关节外科、运动医学及创伤骨科疾病诊治研究。
基金资助:
河北省医学科学研究重点课题(20150056)

The biomechanical changes of humeroradial joint after elbow joint medial collateral ligament injured

1.Department of Orthopedic Surgery， the First Affiliated Hospital of Hebei North University，
Zhangjiakou, 075000, China; 2.Department of Pediatric Surgery， The First Affiliated
Hospital of Hebei North University， Zhangjiakou, 075000, China

Online:2017-05-25 Published:2017-05-23

摘要/Abstract

摘要： ［摘要］〓
〖HTH〗目的〖HTSS〗〖KG*2〗通过测量肘关节内侧副韧带(medial collateralligament，MCL)前束在不同状态下（完整、部分断裂、完全断裂）肱桡关节的生物力学指标，探讨MCL前束在不同状态下对肱桡关节的生物力学影响。
〖HTH〗方法〖HTSS〗〖KG*2〗应用人体肘关节标本，将压敏胶片(pressure sensitive film)置入肱桡关节间隙，测量MCL前束在不同状态下（完整、部分断裂、完全断裂）及肘关节在不同屈曲角度下肱桡关节内的生物力学指标，即压强和关节接触面积；根据MCL前束的不同状态将标本分为前束完整组（1组）、前束部分断裂组（2组）及前束完全断裂组（3组），每组20个标本，将得出的数据进行统计学分析。
〖HTH〗结果〖HTSS〗〖KG*2〗组内比较，各组在30 °、60 °时的压强均高于0 °，到90 °时略有降低，但仍高于0 °，其差异有统计学意义（P＜005）；组间比较，30 °、60 °时3组的压强高于1组和2组，差异有统计学意义（P＜005），0 °、90 °时3组间差异无统计学意义（P＞005）。组内比较，1组、2组和3组在30 °、60 °、90 ° 时接触面积均少于0 °，差异有统计学意义（P＜005）；组间比较，在30 °、60 °时3组的接触面积少于1组和2组，差异有统计学意义（P＜005），在0 °、90 °时3组间差异无统计学意义(P＞005)。
〖HTH〗结论〖HTSS〗〖KG*2〗MCL前束在肘关节外翻稳定当中意义重要，损伤或断裂后可造成肘关节不稳定，造成肱桡关节内压强增大、关节接触面积减小。肘关节在伸直位时，肘关节处于相对稳定状态，比屈曲位时可承受更大的外翻应力。

关键词: 肘关节, 侧副韧带, 运动损伤, 生物力学

Abstract: 〗［Abstract］ Objective〖HTSS〗〓To approach the biomechanical effect of anterior funicle of medial collateralligament(MCL) on different state for the humeroradial joint by taking measurement of the vitodynamics index of humeroradial joint in different state（complete、partly brake、brake）of the MCL.
〖HTH〗〖WTHZ〗Methods〖HTSS〗〓Used the human elbow joint specimen and put the pressure sensitive film into the space of humeroradial joint,then take measurement of the pressure and the contact area of humeroradial joint in the different state and the anterior funicle of MCL and in the different flex angle. Take the separation of the specimen into 3 groups according to the different state of the anterior funicle of MCL: the anterior funicle of MCL complete group(group 1), the anterior funicle of MCL injured(partly brake) group(group 2) and the anterior funicle of MCL brake group(group 3). There were 20 cases in every group. Get the data and make the statistics analysis.
〖HTH〗〖WTHZ〗Results〖HTSS〗〓Compared intra group, the pressure of each group at 30 ° and 60 ° is higher than that at 0 °, at 90 ° that decreased slightly, but still higher than 0 °, the difference had statistically significant(P＜005). Compared between groups, the pressure of group 3 is higher than that of group 1 and group 2 at 30 ° and 60 °(P＜005) but had no statistical significance at 0 ° and 90 °(P＞005). Compared intra group, the contact area in every group at 30 °, 60 ° and 90 ° were less than that at 0 °, the difference had statistically significant(P＜005). Compared between groups, the contact area in group 2 and group 3 were less than that in group 1 at 30 ° and 60 °(P＜005) but had no statistically significant at 0 ° and 90 °(P＞005).
〖HTH〗〖WTHZ〗Conclusion〖HTSS〗〓The anterior funicle of MCL had important significance in the ecstrophy stabilization of the elbow joint, and injured or break could cause the instability of interelbow joint and make increasing of the pressure and decreasing of the contact area in humeroradial joint. While the elbow joint was straighten, the pressure and the contact area in humeroradial joint was little, the elbow joint was in the stable state, it could assume more ecstrophy stress.

Key words: elbow joint, collateral ligaments, athletic injuries, biomechanics

张培楠1，武〓娜2，张〓鑫1，贾永利1，杨新明1，马朋朋1. 肱桡关节在肘关节内侧副韧带损伤后的生物力学变化[J]. 河北医科大学学报, doi: 10.3969/j.issn.10073205.2017.05.011.

ZHANG Peinan1， WU Na2， ZHANG Xin1， JIA Yongli1， YANG Xinming1， MA Pengpeng1. The biomechanical changes of humeroradial joint after elbow joint medial collateral ligament injured[J]. Journal of Hebei Medical University, doi: 10.3969/j.issn.10073205.2017.05.011.

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肱桡关节在肘关节内侧副韧带损伤后的生物力学变化

The biomechanical changes of humeroradial joint after elbow joint medial collateral ligament injured

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