Control Motor Flashcards

1
Q

Motoneurona inferior

A

Inerva al músculo
- Si no está, hay flacidez

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2
Q

Motoneurona superior

A

Regula la motora inferior
- Rigidez si no está

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3
Q

Unidades motoras

A
  • Resistentes lentas (Innerva pocas fibras una neurona)
  • Fatigables rápidas (Innerva muchas fibras una neurona)
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4
Q

De quién es tarea los reflejos?

A

Motoneurona inferior

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5
Q

Qué regula la motoneurona superior?

A

El tono

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6
Q

Función de los órganos tendinosos

A

Contracción

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7
Q

Función de las fibras aferentes

A

Estiramiento

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8
Q

Reflejo miotático

A

Reflejo de estiramiento
- Si hay estiramiento = contracción (antagonista inhibido)
- Establece el tono muscular

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9
Q

Qué es el tono?

A

El grado de estiramiento de un músculo

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10
Q

Reflejo osteotendinoso

A

Tendón estira al músculo = Contracción

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11
Q

Reflejo de contracción

A
  • Regula la fuerza muscular
  • Proteje al músculo de una contracción no controlada (se inhibe y se activa el extensor)
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12
Q

Reflejo de retirada

A
  • Excitación de los flexores homolaterales (inhibidos los contralaterales)
  • Excitación de los extensores contralaterales (inhibidos los homolaterales)
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13
Q

Síndrome de la motora inferior

A
  • Debilidad
  • Atrofia
  • Menos reflejos
  • Menos tono
  • Fasiculacioines
  • NO hay babinski
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