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Functional Anatomy > Muscles of the medial thigh > Flashcards

Muscles of the medial thigh Flashcards

1
Q

What is the proximal attachment of the adductor longus?

A

Body of pubis inferior to pubic crest

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2
Q

What is the distal attachment of the adductor longus?

A

Middle third of linea aspera of femur

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3
Q

What nerve innervates the adductor longus and the adductor brevis?

A

Obturator nerve (L2,L3,L4)

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4
Q

What is the main action of the adductor longus?

A

Adducts thigh

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5
Q

What is the proximal attachment of the adductor brevis?

A

Body and inferior ramus of pubis

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6
Q

What is the distal attachment of the adductor brevis?

A

Pectineal line and proximal part of linea aspera of femur

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7
Q

What is the main action of the adductor brevis?

A
  • Adducts thigh

- to some extent flexes thigh

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8
Q

What is the proximal attachment of the adductor magnus?

A

Adductor part: inferior ramus of pubis and ramus of ischium

Hamstring part: adductor tubercle of femur

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9
Q

What is the distal attachment of the adductor magnus?

A

Adductor part: gluteal tuberosity, linea aspera, and medial supracondylar line
Hamstring part: adductor tubercle of femur

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10
Q

What nerve innervates the adductor magnus?

A

Adductor part: obturator nerve (L2,L3,L4)

Hamstring part: tibial part of sciatic nerve (L4)

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11
Q

What is the main action of the adductor magnus?

A

Adducts thigh
Adductor part: flexes thigh
Hamstring part: extends thigh

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12
Q

What is the proximal attachment of the gracilis?

A

Body and inferior ramus of pubis

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13
Q

What is the distal attachment of the gracilis?

A

Superior part of medial surface of tibia

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14
Q

What nerve innervates the gracilis?

A

Obturator nerve (L2,L3)

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15
Q

What is the main action of the gracilis?

A
  • Adducts thigh
  • Flexes leg
  • Helps rotate leg medially
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16
Q

What is the proximal attachment of the obturator externus?

A

Obturator foramen and obturator membrane

17
Q

What is the distal attachment of the obturator externus?

A

Trochanteric fossa of femur

18
Q

What nerve innervates the obturator externus?

A

Obturator nerve (L3,L4)

19
Q

What is the main action of the obturator externus?

A
  • Laterally rotates thigh

- Steadies head of femur in acetabulum

Functional Anatomy (9 decks)

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