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Anatomy > 16: Musculo-neuro-vascular systems of medial compartment of the thigh > Flashcards

16: Musculo-neuro-vascular systems of medial compartment of the thigh Flashcards

1
Q

Muscles of the medial compartment (5)

A

Adductor longus
Adductor brevis
Adductor Magnus
Gracilis
Obturator externus

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2
Q

Origin of adductor longus

A

Body of pubis inferior to pubic crest

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3
Q

Insertion of adductor longus

A

Middle 1/3 of linea aspera

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4
Q

Innervation of adductor longus

A

Obturator nerve

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5
Q

Action of adductor longus

A

Addicts thigh at hip joint

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6
Q

Origin of adductor brevis

A

Body + inferior pubic ramus

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7
Q

Insertion of adductor brevis

A

Pectineal line
Superior 1/3 of medial lip of linea aspera

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8
Q

Innervation of adductor brevis

A

Obturator nerve

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9
Q

Action of adductor breves

A

adducts thigh
Modest contribution to flexion of hip

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10
Q

Portions of adductor Magnus

A

Adductor, hamstring

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11
Q

Origin of adductor portion of adductor

A

Inferior ramus of pubis + ramus of ischium

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12
Q

Insertion of adductor portion of adductor

A

Gluteal tuberosity
Linea aspera
Medial supracondular line

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13
Q

Innervation of adductor portion of adductor

A

Obturator nerve

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14
Q

Actions of adductor portion of adductor

A

adducts thigh
Modest thigh flexion

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15
Q

Origin of hamstring portion of adductor Magnus

A

Ischial tuberosity

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16
Q

Insertion of hamstring portion of adductor Magnus

A

Adductor tubercle of femur

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17
Q

Innervation of hamstring portion of adductor Magnus

A

Sciatic nerve (tibial)

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18
Q

Action of hamstring portion of adductor Magnus

A

Modest thigh extension

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19
Q

Origin of gracilis

A

Body + inferior ramus of pubis

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20
Q

Insertion of gracilis

A

Superior part of pes anserinus

21
Q

Innervation of gracilis

A

Obturator nerve

22
Q

Actions of gracilis

A

adducts thigh
Flexes leg at knee
Assists with medial rotation of leg

23
Q

Origin of obturator externus

A

Anterior surface of obturator membrane + bony margins of obturator foramen

24
Q

Insertion of obturator externus

A

obturator nerve

25
Q

Action of obturator externus

A

Lateral rotation of thigh
Steadies head of femur in acetabulum

26
Q

Boundaries of femoral triangle SAIL

A

Medial border of Sartorius
Lateral border of Adductor Longus
Inguinal Ligament

27
Q

Floor of femoral triangle

A

Lateral: Iliopsoas
Medial: Pectinus

28
Q

Roof of femoral triangle

A

Fasciae lata, subcutaneous tissue, skin

29
Q

Contents of femoral triangle NAVEL

A

Femoral Nerve
Femoral Artery
Femoral Vein
Empty space
Lymphatics

30
Q

Why is empty space important in femoral triangle

A

To accommodate the increased size of the femoral vessels

31
Q

What is the femoral sheath?

A

A fibrous tunnel, deep to inguinal ligament

32
Q

3 compartments of femoral sheath

A

Lateral: femoral artery
Intermediate: femoral vein
Medial: femoral canal, lymph

33
Q

Where does the great saphenous vein drain into?

A

The common femoral vein

34
Q

Where do femoral hernias occur

A

In the femoral canal

35
Q

What is a hernia

A

When part of the body protrudes through its own cavity into a different one

36
Q

What is a femoral hernia

A

Protrusion of small intestine, through femoral ring, through femoral canal, through saphenous opening in fasciae lata

37
Q

Where to apply pressure in lower limb vascular emergency.

A

Femoral triangle

38
Q

What is the adductor canal

A

Aponeurotic tunnel in middle 1/3 of thigh

39
Q

Where does the adductor canal extend from

A

Inferior apex of femoral triangle

40
Q

Where does the adductor canal extend to

A

Adductor hiatus

41
Q

Function of adductor canal

A

Passageway for structures moving between anterior thigh and popliteal fossa

42
Q

Anteromedial boundary of adductor canal

A

Sartorius

43
Q

Anterolateral boundary of adductor canal

A

Vastus medialis

44
Q

Posterior boundary of the adductor canal

A

Adductor longus + Magnus

45
Q

Contents of adductor canal

A

Femoral artery + vein
Saphenous nerve
Nerve to vastus medialis

46
Q

When femoral artery passes through adductor hiatus, becomes…

A

Popliteal artery

47
Q

What drains the superficial thigh?

A

Great saphenous vein

48
Q

What drains the deep thigh

A

Deep femoral vein

49
Q

Learn cutaneous sensory regions

A

Anatomy (17 decks)

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