17.9 Celda palmar media: Lumbricales Flashcards

1
Q

Los lumbricales 1° y 2° se insertan en:

A

Cara anterior y borde lateral del tendón del flexor profundo del índice y del medio

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2
Q

El 3° y 4° lumbrical se insertan en:

A

Los 2 tendones del flexor profundo

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3
Q

Su cuerpo muscular en forma de huso llega hasta:

A

Parte lateral de la art. metacarpofalángica

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4
Q

Al extenderse hasta la art. metacarpofalángica, se halla reducido en un tendón, el cual se une con:

A

Tendón del músc. interóseo vecino y contornear la cara lateral de la falange proximal

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5
Q

Se hallan en esta región de la palma:

A

Media

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6
Q

V o F, son superficiales al plano de los interóseos:

A

Verdadero

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7
Q

Salen de la palma por:

A

Espacio interidigital

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8
Q

Se vuelven ______ en la parte lateral del dedo:

A

Superficiales

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9
Q

Los 2 lumbricales laterales se inervan por:

A

N. mediano, en su cara superficial

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10
Q

Los 2 lumbricales mediales se inervan por:

A

N. ulnar, en su cara profunda

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11
Q

Los lumbricales reciben su irrigación por:

A

Arco palmar superficial

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12
Q

Su acción es:

A

Flexores de la falange proximal
Extensores de las 2 falanges distales de los 4 últimos dedos

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