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Lower Limb > Medial Thigh Muscles > Flashcards

Medial Thigh Muscles Flashcards

1
Q

What muscles make up the medial thigh?

A

Adductor longus, adductor brevis, adductor magnus, gracilis, and obturator externus

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2
Q

What movement do medial thigh muscles usually perform?

A

Adduction

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3
Q

What nerve typically innervates medial thigh muscles?

A

Obturator nerve

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4
Q

What is the origin of the adductor longus?

A

Body of pubis inferior to pubic crest

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5
Q

Where does the adductor longus insert?

A

Middle third of linea aspera of femur

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6
Q

What is the innervation of the adductor longus?

A

Obturator nerve (L2, L3, L4)

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7
Q

What action does the adductor longus perform?

A

Adducts hip joint

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8
Q

What is the origin of the adductor brevis?

A

Body and inferior ramus of pubis

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9
Q

Where does the adductor brevis insert?

A

Pectineal line and proximal part of linea aspera of femur

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10
Q

What is the innervation of the adductor brevis?

A

Obturator nerve (L2, L3, L4)

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11
Q

What action does the adductor brevis perform?

A

Adducts hip joint and kinda flexes it

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12
Q

What is the origin of the adductor magnus?

A

Adductor part- inferior ramus of pubis and ramus of ischium

Hamstring part- ischial tuberoisty

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13
Q

Where does the adductor magnus insert?

A

Adductor part- gluteal tuberosity, linea aspera, medial supraepicondylar line
Hamstring part- adductor tubercle of femur

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14
Q

What is the innervation of the adductor magnus?

A

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

Hamstriing part- tibial part of sciatic nerve (L4)

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15
Q

What action does the adductor magnus perform?

A

Adducts hip joint; its adductor part flexes hip joint, hamstring part extends it

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16
Q

What is the origin of the gracilis?

A

Body and inferior ramus of pubis

17
Q

Where does the gracilis insert?

A

Superior part of medial surface of tibia

18
Q

What is the innervation of the gracilis?

A

Obturator nerve (L2, L3)

19
Q

What action does the gracilis perform?

A

Adducts hip joint; flexes knee joint and helps rotate it medially

20
Q

What is the origin of the obturator externus?

A

Margins of obturator foramen and obturator membrane

21
Q

Where does the obturator externus insert?

A

Trochanteric fossa of femur

22
Q

What is the innervation of the obturator externus?

A

Obturator nerve (L3, L4)

23
Q

What action does the obturator externus perform?

A

Laterally rotates hip joint

24
Q

What goes through the adductor hiatus?

A

Femoral artery and vein

Lower Limb (17 decks)

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