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Master's Dissertation
DOI
https://doi.org/10.11606/D.39.2018.tde-18062018-154528
Document
Author
Full name
Natalia Padula
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2018
Supervisor
Committee
Pasin, Camila Torriani (President)
Amadio, Alberto Carlos
Ilha, Jocemar
Mochizuki, Luis
Title in Portuguese
Respostas motoras durante a marcha com suporte de peso corporal na esteira em diferentes velocidades em indivíduos com lesão medular
Keywords in Portuguese
Lesão medular
Marcha
Treino locomotor
Treino locomotor com suspensão de peso corporal
Abstract in Portuguese
A Lesão Medular (LM) afeta a funcionalidade do indivíduo e pode reduzir drasticamente a independência. A restauração da mobilidade e do andar, é uma das principais metas das intervenções na população com LM, e nesse contexto o treinamento locomotor (TLSP) é uma intervenção utilizada com objetivo de fornecer estímulos sensoriais específicos ao sistema nervoso danificado para estimular as redes e circuitos preservados da medula. A velocidade é uma aferência sensorial importante durante o TLSP em esteira. Objetivo: investigar o efeito da variação de velocidade sobre as respostas motoras de indivíduos com lesões medulares durante TLSP em esteira. Método: 20 sujeitos sem LM denominado de grupo controle (GC) e 13 com LM completa (GLM) foram submetidos ao protocolo TLSP em esteira nas velocidades 2, 3 e 4 km/h. Foi realizada uma análise de EMG para avaliar atividade muscular de vasto lateral (VL), bíceps femural (BF), tibial anterior (TA) e gastrocnêmio lateral (GL) ao longo do ciclo do passo. Resultados: O GC apresentou maior atividade muscular distal TA e GL quando comparado ao GLM com maior atividade proximal VL e BF durante todas as fases da marcha. A velocidade que apresentou maior atividade muscular foi a intermediária (3km/h), quando comparado as velocidades 2Km/h e 4km/h. O aumento da velocidade resultou em maior influência nos músculos distais. Conclusão: a velocidade pode influenciar nas respostas motoras locomotoras de indivíduos com LM. O aumento da velocidade teve um papel importante no aumento da atividade muscular, contudo a atividade muscular foi maior na velocidade intermediária (3km/h)
Title in English
Motor responses during body weight support treadmill gait at different speeds in individuals with spinal cord injury
Keywords in English
Body weight support treadmill training
Gait
Locomotor training
Spinal cord injury
Abstract in English
Spinal Cord Injury (SCI) affects the individual's functionality and can gradually reduce independence. The restoration of mobility and walking, is one of the main goals of the interventions in SCI population. In this context body weight support treadmill training (BWSTT) is an intervention used to provide specific sensory stimuli to the damaged nervous system to stimulate the networks and circuits preserved in the spinal cord. Velocity is an important sensory afferment during the BWSTT. Objective: to investigate the effect of speed variation on motor responses of use with spinal cord injuries BWSTTl. Method: 20 healthy subjects composed the control group (CG) and 13 with complete SCI (SCIG) were submitted to BWSTT at speeds 2, 3 and 4 km/h. An EMG analysis was performed to evaluate the muscle activity of lateral vastus (LV), biceps femorales (BF), tibial anterior (TA) and gastrocnemius lateral (GL) throughout the cycle of the step. Results: The CG had greater distal muscle activity TA and GL when compared to GLM with greater proximal activity, VL and BF, during all gait phases. The velocity that presented greater muscular activity was the intermediate (3km/h), when compared as speeds 2Km/h and 4km/h. Increased speed resulted in greater influence on the distal muscles. Conclusion: the velocity can influence motor responses. Increased speed had an important role in increasing muscle activity, however, muscle activity was greater at intermediate velocity (3km / h)
 
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Publishing Date
2018-07-03
 
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