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MSK > Medial thigh > Flashcards

Medial thigh Flashcards

1
Q

Actions of the medial thigh

A

Adduction of hip

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2
Q

Innervation of medial thigh

A

Obturator nerve (L2-L4)

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3
Q

What is the adductor hiatus

A

Gap between adductor part and hamstring part of adductor Magnus that allows passage of the femoral artery

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4
Q

What runs through the small perforations of the adductor Magnus (adductor part)

A

Branches of deep artery of thigh

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5
Q

Origin of adductor part of adductor Magnus

A

Inferior pubic rami and rami of ischium

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6
Q

Attachment of adductor part of adductor Magnus

A

Linea aspera of femur

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7
Q

Origin of hamstring part of adductor Magnus

A

Ischial tuberosity

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8
Q

Attachment of hamstring part of adductor Magnus

A

Adductor tubercle on distal medial femur

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9
Q

Action of adductor Magnus

A

Both adduct thigh
Adductor part also flexes thigh
Hamstring part also extends thigh

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10
Q

Innervation of adductor Magnus

A

Adductor part innervated by obturator nerve

Hamstring part innervated by tibial nerve (L4-S3)

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11
Q

Origin of adductor longus

A

Superior pubic rami

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12
Q

Attachment of adductor longus

A

Linea aspera of femur

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13
Q

Action of adductor longus

A

Adduction and medial rotation of thigh

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14
Q

Origin of adductor brevis

A

Body of pubis and inferior pubic ramus

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15
Q

Attachment of adductor brevis

A

Linea aspera on posterior femur, proximal to adductor longus

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16
Q

Origin of obturator externus

A

Membrane of obturator foramen, superior and inferior pubic rami

17
Q

Attachment of obturator externus

A

Greater trochanter (posterior)

18
Q

Action of obturator externus

A

Lateral rotation and adduction of thigh

19
Q

Origin of gracilis

A

Inferior pubic rami and pubic symphysis

20
Q

Attachment of gracilis

A

Medial tibia between tendons of sartorius (anteriorly) and semitendinosus (posteriorly)

21
Q

Action of gracilis

A

Adduction of thigh

Flexion of knee

22
Q

What is groin strain

A

Strain (tearing) of adductor muscles of thigh

Tearing is usually at proximal part (near bony attachments)

23
Q

How do groin strains occur

A

Sports that require extreme stretching

24
Q

Treatment of groin strain

A

RICE

Rest, ice, compression, elevation

25
Q

What are the muscles in the medial thigh

A 
Adductor Magnus,
Adductor longus,
Adductor brevis,
Obturator externus,
Gracilis
26
Q

Where does adductor brevis lie in relation to obturator nerve

A

Between its anterior and posterior divisions

27
Q

Where does the obturator externus in relation to femur

A

Under neck of femur

28
Q

What muscle is sometimes transplanted into hand/forearm to replace damaged muscle

A

Gracilis

29
Q

Action of adductor brevis

A

Adduction of thigh

MSK (87 decks)

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