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Bilateral Deficit for untrained prepubertal children
Abstract
Objectives. – To prove the idea of Bilateral Deficit for pre-pubertal children.
Methods. – We chose conditions to optimise the Bilateral Deficit probability (arm flexor isometric action of 10 pre-pubertal children). Using a force investigation, we measured a systematic lack of arm flexor force during bilateral contraction. To explain this muscle disability, we investigated the electromyographical signal produced during muscle action of dominant arm.
Results. – No muscle activity fall down or typological recruitment changes are evident regard to temporal (RMS: 0.12 ± 0.04 vs. 0.14 ± 0.08 V) or spectral (MPF: 116 ± 14.1 vs. 114.5 ± 11.2 Hz. MDF: 79.1 ± 11.8 vs. 80.1 ± 8.3 Hz) electromyographical (EMG) parameters. Conclusion. – So, to explain the systematic BD, no lack of muscle activity and no recruitment adaptations are evident and we discussed
about several other explanations. © 2003 Elsevier SAS. Tous droits réservés.
Mots clés : Déficit Bilatéral ; Force ; Électromyographie ; Enfant Keywords: Bilateral Deficit; Strength; Electromyography; Child
I'm interested in collaborating with you. In these moment I am collecting data handgrip with children, adults, men vs women and athletes ..
I'd like to collaborate with you. I 've worked on electromyographic activity of the trunk and leg muscles in healthy subjects and some patient populations as scoliosis. I am interested in your topic. And I would like to have a new experience in this field.
Perhaps I can if you are interested. I am finishing my master on BD with young and active males in extension and flexion of knee using an isokinetic dynamometer modified.
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