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GROSS ANATOMY 2 > Anterior and Medial Thigh > Flashcards

Anterior and Medial Thigh Flashcards

1
Q

What is the function of the anterior compartment of the thigh?

A
  • Flex hip
  • Extend knee
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2
Q

What is the function of the medial compartment of the thigh?

A

Adduct hip

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3
Q

What is the function of the posterior compartment of the thigh?

A
  • Extend hip
  • Flex knee
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4
Q

Identify the features of the femur.

A
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5
Q

What is this muscle?

A

Iliacus

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6
Q

What is the origin of the iliacus?

A
  • Iliac crest
  • Iliac fossa
  • Ala of sacrum
  • Anterior sacroiliac ligament
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7
Q

What is the insertion of the iliacus?

A
  • Psoas tendon
  • Lesser trochanter of femur
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8
Q

What innervates the iliacus?

A

Femoral nerve (L2,3)

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9
Q

What is the function of the iliacus?

A

Hip flexion

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10
Q

What is this muscle?

A

Psoas major

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11
Q

What is the origin of the psoas major?

A
  • T12-L5 IV discs
  • Lumbar transverse processes
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12
Q

What is the insertion of the psoas major?

A

Lesser trochanter of femur

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13
Q

What innervates the psoas major?

A

Anterior rami L1-3

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14
Q

What is the function of the psoas major?

A

Hip flexion

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15
Q

What is this muscle?

A

Pectineus

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16
Q

What is the origin of the pectineus?

A

Superior ramus of pubis

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17
Q

What is the insertion of the pectineus?

A

Pectineal line of femur

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18
Q

What is the innervation of the pectineus?

A

Femoral nerve (L2,3)

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19
Q

What is the function of the pectineus?

A
  • Adduct and flex hip
  • Assist with medial rotation
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20
Q

What is this muscle?

A

Sartorius

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21
Q

What is the origin of the sartorius

A

Anterior superior iliac spine

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22
Q

What is the insertion of the sartorius?

A

Superior part of medial surface of tibia

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23
Q

What innervates the sartorius?

A

Femoral nerve (L2,3)

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24
Q

What is the function of sartorius?

A
  • Flex, abduct, and laterally rotate hip
  • Flex knee
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25
Q

What are these muscles?

A
26
Q

What is the common insertion of the quadriceps?

A
  • Quadriceps tendon
  • Tibial tuberosity via patellar ligament
27
Q

What is the origin of the rectus femoris?

A
  • AIIS
  • Ilium above acetabulum
28
Q

What is the origin of the vastus lateralis?

A
  • Greater trochanter of femur
  • Lateral linea aspera
29
Q

What is the origin of the vastus medialis?

A
  • Intertrochanteric line
  • Medial linea aspera
30
Q

What is the origin of the vastus intermedius?

A

Anterior and lateral shaft of femur

31
Q

What is the innervation of the quadriceps muscles?

A

Femoral nerve (L2,3,4)

32
Q

What is the function of the quadriceps?

A
  • Knee extension
  • Rectus femoris flexes hip
33
Q

What is this muscle?

A

Gracilis

34
Q

What is the origin of the gracilis?

A

Body and inferior ramus of pubis

35
Q

What is the insertion of the gracilis?

A

Superior medial surface of tibia

36
Q

What is the innervation of the gracilis?

A

Obturator nerve (L2,3)

37
Q

What is the function of the gracilis?

A
  • Adducts hip
  • Flexes knee
38
Q

What is this muscle?

A

Adductor longus

39
Q

What is the origin of the adductor longus?

A

Body of pubis

40
Q

What is the insertion of the adductor longus?

A

Middle 1/3 linea aspera

41
Q

What is the innervation of the adductor longus?

A

Obturator nerve (L2-4)

42
Q

What is the function of the adductor longus?

A

Adducts thigh

43
Q

What is this muscle?

A

Adductor brevis

44
Q

What is the origin of the adductor brevis

A

Body and inferior ramus of pubis

45
Q

What is the insertion of the adductor brevis?

A
  • Pectineal line
  • Proximal linea aspera
46
Q

What innervates the adductor brevis?

A

Obturator nerve (L2-4)

47
Q

What is the function of the adductor brevis?

A

Adducts thigh

48
Q

What is this muscle?

A

Adductor magnus

49
Q

What is the origin of the adductor magnus?

A
  • Ischiopubic ramus
  • Ischial tuberosity
50
Q

What is the insertion of the adductor magnus?

A
  • Linea aspera
  • Medial supracondylar line
  • Adductor tubercle
51
Q

What is the innervation of the adductor magnus?

A

Obturator nerve
(hamstring part = tibial division of sciatic nerve)

52
Q

What is the function of adductor magnus

A

Adducts thigh

53
Q

What is this muscle?

A

Obturator externus

54
Q

What is the origin of the obturator externus?

A
  • Margin of obturator foramen
  • Obturator membrane
55
Q

What is the insertion of the obturator externus?

A

Trochanteric fossa

56
Q

What is the innervation of the obturator externus?

A

Obturator nerve (L3,4)

57
Q

What is the function of the obturator externus?

A

Laterally rotates thigh

58
Q

What are the boundaries of the adductor canal?

A
  • Sartorius
  • Vastus medialis
  • Adductor longus
59
Q

What passes through the adductor hiatus to reach the popliteal fossa?

A

Femoral vessels

60
Q

What passes between the sartorius and gracilis?

A

Saphenous nerve

GROSS ANATOMY 2 (19 decks)

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