Download - Plexo braquial
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Plexo Braquial
Peterson Xavier da SilvaMedico Residente Neurocirurgia
Hospital Federal do Andarai
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Origem:Formado por ramos anteriores dos quatro nervos espinhais cervicais inferiores (C5,C6,C7,C8) e do primeiro torácico (T1)
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Localização:
Lateral à coluna cervical Entre os músculos escalenos anterior e médioPosterior e lateralmente ao músculo esternocleidomastóideo.
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Posteriormente à clavícula Acompanha a artéria axilar sob o músculo peitoral maior.
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TRONCOS
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Fossa supraclavicular
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FASCICULOS
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Relacao Arteria Axilar
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Relacao Arteria Axilar
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RAMOS TERMINAIS
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Ramos supra-claviculares e infra-claviculares.
SUPRACLAVICULARES
• Nervos para os Músculos Escalenos e Longo do Pescoço
• Nervo Frênico
• Nervo Dorsal da Escápula
• Nervo Torácico Longo
• Nervo do Músculo Subclávio
• Nervo Supra-escapular
INFRACLAVICULARES
• Peitoral Lateral
• Nervo Musculocutâneo
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Nervo Musculocutâneo C5, C6 e C7Inervação: Braquial anterior, bíceps braquial e coracobraquial
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Nervo Mediano C5, C6 e C7Inerva os músculos da região anterior do antebraço e curtos do polegar, assim como a pele do lado lateral da mão.
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Nervo Ulnar C8 e T1 Inerva os músculos flexor ulnar do carpo, metade ulnar do flexor profundo dos dedos, adutor do polegar e parte profunda do flexor curto do polegar. Inerva também os músculos da região hipotenar, terceiro e quarto lumbricais e todos interósseos;
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Nervo Radial C5, C6, C7, C8 e T1Inerva os músculos tríceps braquial, braquiorradial, extensor radial longo e curto do carpo, supinador e todos músculos da região posterior do antebraço.
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