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Do FCU and ECU muscle architecture in children with hemiparetic cerebral palsy affect wrist functionality?

Do FCU and ECU muscle architecture in children with hemiparetic cerebral palsy affect wrist... Purpose In individuals with cerebral palsy (CP), wrist flexor and extensor muscles can have impaired tonus, strength, posture, and range of motion. Muscle force and movement generating capacity are related to muscle architecture. The purpose of the study was to measure muscle morphology of the flexor (FCU) and extensor carpi ulnaris (ECU) muscles and compare it with strength and passive stiffness in affected and unaffected forearms of children with hemiparetic CP. Methods Nine children (MACS levels 1 and 2) were analyzed. Ultrasound was used to measure the maximal cross-sectional area, muscle thickness, and muscle perimeter of FCU and ECU. The strength of the wrist flexors and extensors muscles was measured using a manual dynamometer. Wrist flexion passive stiffness was evaluated using isokinetic dynamometry in passive mode. Results No significant differences in cross-sectional area, anteroposterior distance, and perimeter between unaffected and affect- ed forearm were observed. Flexion and extension isometric torques were reduced in the affected forearm compared with the unaffected, except the passive stiffness, which was increased. A correlation matrix analysis presented some significant correla- tions between morphological and functional outcomes. Conclusion Wrist flexion and extension torques are reduced in the affected side of children with hemiparetic CP, and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Biomedical Engineering Springer Journals

Do FCU and ECU muscle architecture in children with hemiparetic cerebral palsy affect wrist functionality?

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Publisher
Springer Journals
Copyright
Copyright © 2019 by Sociedade Brasileira de Engenharia Biomedica
Subject
Engineering; Biomedical Engineering and Bioengineering; Biomaterials; Biomedical Engineering/Biotechnology
ISSN
2446-4732
eISSN
2446-4740
DOI
10.1007/s42600-019-00019-w
Publisher site
See Article on Publisher Site

Abstract

Purpose In individuals with cerebral palsy (CP), wrist flexor and extensor muscles can have impaired tonus, strength, posture, and range of motion. Muscle force and movement generating capacity are related to muscle architecture. The purpose of the study was to measure muscle morphology of the flexor (FCU) and extensor carpi ulnaris (ECU) muscles and compare it with strength and passive stiffness in affected and unaffected forearms of children with hemiparetic CP. Methods Nine children (MACS levels 1 and 2) were analyzed. Ultrasound was used to measure the maximal cross-sectional area, muscle thickness, and muscle perimeter of FCU and ECU. The strength of the wrist flexors and extensors muscles was measured using a manual dynamometer. Wrist flexion passive stiffness was evaluated using isokinetic dynamometry in passive mode. Results No significant differences in cross-sectional area, anteroposterior distance, and perimeter between unaffected and affect- ed forearm were observed. Flexion and extension isometric torques were reduced in the affected forearm compared with the unaffected, except the passive stiffness, which was increased. A correlation matrix analysis presented some significant correla- tions between morphological and functional outcomes. Conclusion Wrist flexion and extension torques are reduced in the affected side of children with hemiparetic CP, and

Journal

Research on Biomedical Engineering – Springer Journals

Published: Jul 30, 2019

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