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ESA 2 > MSK - Medial Thigh Muscles > Flashcards

MSK - Medial Thigh Muscles Flashcards

1
Q

What are the FIVE medial thigh muscles?

A
  • Obturator Externus
  • Adductor Brevis
  • Adductor Longus
  • Adductor Magnus
  • Gracialis
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2
Q

What is the origin of obturator externus?

A

Membrane of obturator foramen

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3
Q

Where does obturator externus insert?

A

Posterior aspect of greater trochanter

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4
Q

What is the innervation of obturator externus?

A

Obturator nerve (L2-L4)

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5
Q

What is the action of obturator externus?

A

Lateral rotation of the thigh at the hip

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6
Q

What is the origin of adductor brevis?

A
  • Body of the pubis, inferior to pubic rami
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7
Q

Where does adductor brevis insert?

A
  • Linea aspera of the posterior femur

- Proximal to adductor longus

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8
Q

What is the innervation of adductor brevis?

A

Obturator nerve (L2-L4)

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9
Q

What is the action of adductor brevis?

A

Adduction of the thigh

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10
Q

What is the origin of adductor longus?

A

Pubis

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11
Q

Where does adductor longus insert?

A

Linea aspera (broadly)

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12
Q

What is the innvervation of adductor longus?

A

Obturator nerve (L2-L4)

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13
Q

What are the actions of adductor longus?

A
  • Adduction of thigh

- Medial rotation of the thigh

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14
Q

What are the origins of the adductor part of adductor magnus?

A
  • Inferior rami of the pubis

- Rami of the ischium

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15
Q

What is the origin of the hamstring part of the adductor magnus?

A

Ischial tuberosity

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16
Q

Where does the adductor part of adductor magnus insert?

A

Linea aspera

17
Q

Where does the hamstring part of adductor magnus insert?

A

Adductor tubercule on distal and medial side of the femur

18
Q

What is the innervation of the adductor part of adductor magnus?

A

Obturator nerve (L2-L4)

19
Q

What is the innervation of the hamstring part of adductor magnus?

A

Tibial nerve (L4-S3)

20
Q

What is an action of adductor magnus?

A

Adduction of the thigh

21
Q

What is the action of the adductor part of adductor magnus?

A

Flexion of the thigh

22
Q

What is the action of the hamstring part of adductor magnus?

A

Extension of the thigh

23
Q

What are the origins of Gracialis?

A
  • Inferior rami of the pubis

- Body of the pubis

24
Q

Where does Gracialis insert?

A

Medial surface of the tibia (in between the tendons of sartorius (anteriorly) and semitendinosus (superiorly)

25
Q

What is the innervation of gracialis?

A

Obturator nerve (L2-L4)

26
Q

What are the actions of gracialis?

A
  • Adduction of the thigh

- Flexion of the leg at the knee

ESA 2 (63 decks)

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