uniandes contraccion muscular (2)
TRANSCRIPT
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“UNIANDES “
EXPOSICION DE ANATOMIA TEMA: FISIOLAGIA DE LA CONTRACCION Y RELAJACION MUSCULAR
PRESENTADO A:DOC. VERONICA AVEIGA
PRESENTADO POR :YADIRA PORTILLA
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Contracción muscular Es la capacidad que tiene el musculo para
reducir la longitud de las fibras musculares disminuyendo la longitud del musculo y aumentado su diámetro , el musculo se contrae según el numero de impulsos nerviosos que reciba
Al acortarse la longitud del musculo se acercan las inserciones musculares y por lo tanto los huesos generan movimiento
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CONTRACCCION MUSCULAR
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RELAJACION MUSCULAR
Es totalmente pasiva el musculo no realiza ninguna acción , cuando los músculos dejan de
recibir impulsos nerviosos se relajan