Lower Extremity Walking Mechanics of Young Individuals with Asymptomatic Varus Knee Alignment

被引:20
作者
Barrios, Joaquin A. [1 ]
Davis, Irene S. [2 ]
Higginson, Jill S. [3 ]
Royer, Todd D.
机构
[1] Univ Delaware, McKinly Lab 326, Newark, DE 19716 USA
[2] Univ Delaware, McKinly Lab 305, Newark, DE 19716 USA
[3] Univ Delaware, Spencer Lab 201A, Newark, DE 19716 USA
关键词
varus; gait; knee osteoarthritis; GAIT CHARACTERISTICS; DISEASE PROGRESSION; CONTACT FORCE; OSTEOARTHRITIS; JOINT; HIP; SEVERITY; PATTERNS; SUBJECT; ANKLE;
D O I
10.1002/jor.20904
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
100224 [整形外科学];
摘要
Varus knee alignment is associated with an increased risk for developing medial knee osteoarthritis (OA). Medial knee OA is commonly associated with altered walking mechanics in the frontal and sagittal planes, as well as altered ground reaction forces. It is unknown whether these mechanics are present in young, asymptomatic individuals with varus knees. We expected that varus-aligned individuals would generally present with frontal plane mechanics that were similar to those reported for individuals with medial knee OA. The gait mechanics of 17 asymptomatic individuals with varus knees and 17 healthy, normally aligned controls were recorded. Gait parameters associated with medial knee OA were compared between groups. The individuals with varus knees exhibited greater knee external adduction moments, knee adduction, eversion, and lateral ground reaction force than the normally aligned individuals. In addition, those with varus knees also demonstrated increased knee flexion and external knee flexor moments during midstance. These results suggest that individuals with varus knees exhibit some, but not all, of the altered mechanics seen in medial knee OA. (C) 2009 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 27:1414-1419, 2009
引用
收藏
页码:1414 / 1419
页数:6
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