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J Phys Ther Sci. 2016 Jun;28(6):1868-71. doi: 10.1589/jpts.28.1868. Epub 2016 Jun 28.

Relation of selective voluntary motor control of the lower extremity and extensor strength of the knee joint in children with spastic diplegia.

Author information

1
Department of Physical Therapy, Division of Health Science, Tokyo University of Technology, Japan.
2
Department of Rehabilitation, Minamitama Orthopedic Hospital, Japan.
3
Department of Physical Therapy, Faculty of Health Sciences, Uekusa Gakuen University, Japan.
4
Department of Physical Therapy, Faculty of Health Sciences, Tokyo Metropolitan University, Japan.

Abstract

[Purpose] The aim of this study was to investigate differences in selective voluntary motor control of the lower extremities by objective assessment and determine the relationship between selective voluntary motor control and knee extensor strength in children with spastic diplegia. [Subjects and Methods] Forty individuals who had spastic cerebral palsy, with Gross Motor Function Classification System levels ranging from I to III, were assessed using the Selective Control Assessment of the Lower Extremity and by testing the maximum knee extensor strength. The unaffected side was defined as the lower limb with the higher score, and the affected side was defined as the lower limb with the lower score. [Results] The Selective Control Assessment of the Lower Extremity score on the affected side had a lower average than that on the unaffected side. The scores showed a significant inverse correlation with the maximum knee extensor strength. [Conclusion] There was bilateral difference in the selective voluntary motor control of the lower extremities in children with spastic diplegia, and the selective voluntary motor control of the lower extremity was related to maximum knee extensor strength.

KEYWORDS:

Cerebral palsy; Extensor strength of knee joint; Selective voluntary motor control

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