PATHOLOGICAL GAITS - INEFFICIENCY IS NOT A RULE

被引：38

作者：

TESIO, L

ROI, GS

MOLLER, F

机构：

[1] Department of Orthopaedics and Rehabilitation, Istituto Scientifico Ospedale San Raffaele, Milan

[2] Department of Biomedical Sciences and Technologies, University of Milan

[3] Institute of Statistical and Experimental Methodology, Faculty of Agronomics, University of Milan

来源：

CLINICAL BIOMECHANICS | 1991年 / 6卷 / 01期

关键词：

PATHOLOGICAL GAIT; ENERGY EXPENDITURE; EFFICIENCY; HEMIPLEGIA; AMPUTATION; PARAPLEGIA;

D O I：

10.1016/0268-0033(91)90041-N

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

The energy expenditure per unit distance, or cost of gait, depends on the efficiency of the locomotory mechanism, which is a function of speed. We compared the cost of gait at corresponding speeds between pathologic (hemiplegic, above-knee amputee, paraplegic) and normal subjects respectively, using a polynomial regression on data available from the literature. In all pathologies the cost-speed function showed a minimum at a speed which may be defined as optimum, as in normal gait. Within the speed range possible for the patients, the cost-speed functions were significantly different from the normal one in the above-knee amputee and in the paraplegic, but not in the hemiplegic. In the amputee, the minimum cost was increased by 38% with respect to that of the normal at a corresponding speed. In contrast, the minimum cost was increased by only 11% in the paraplegic, despite the much more severe impairment.

引用

页码：47 / 50

页数：4

共 18 条

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