|本期目录/Table of Contents|

慢性踝关节不稳定患者的踝关节肌力变化特征研究

《山东体育学院学报》[ISSN:1006-2076/CN:37-1013/G8]

期数:
2017年04期
页码:
0
栏目:
出版日期:
2017-08-25

文章信息/Info

Title:
-
作者:
高原 陈杰高婧
燕山大学体育学院,河北 秦皇岛 066004
Author(s):
-
关键词:
离心收缩慢性踝关节不稳踝关节肌肉力量等速肌力
Keywords:
-
分类号:
G804.53;G804.66
DOI:
-
文献标识码:
A
摘要:
目的:探讨慢性踝关节不稳患者的外翻肌/内翻肌和背屈肌/跖屈肌离心峰值力矩比值是否发生变化。方法:选取24名慢性踝关节不稳受试者作为实验组,同时选取24名年龄、身高、体重、性别和身体活动水平与实验组相匹配的受试者作为对照组。运用等速测力系统,对两组受试者右侧踝关节外翻肌、内翻肌、背屈肌和跖屈肌在不同角速度下(60°/s和120°/s)离心收缩的峰值力矩进行测量,并计算出外翻/内翻和背屈/跖屈离心峰值力矩的比值。结果:在角速度为60°/s和120°/s下,实验组的外翻、内翻和跖屈峰值力矩明显低于对照组(P<0.05),而背屈离心峰值力矩无显著差异(P>0.05);此外,实验组的外翻/内翻离心峰值力矩比值明显低于对照组(P<0.05),而实验组的背屈/跖屈离心峰值力矩比值显著高于对照组(P<0.05)。结论:在角速度为60°/s和120°/s下,慢性踝关节不稳患者的外翻/内翻离心峰值力矩比值显著降低,而背屈/跖屈离心峰值力矩比值显著增加,其机制可能是慢性踝关节不稳患者的外翻、内翻和跖屈的离心峰值力矩下降所致。所以,外翻肌、内翻肌和跖屈肌的离心肌力减弱可能会导致踝关节外侧韧带的重复性损伤。
Abstract:
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参考文献/References

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备注/Memo

备注/Memo:
河北省社会科学基金项目(编号:HB17TY021)。
更新日期/Last Update: 1900-01-01