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Anatomy > Anterior Thigh > Flashcards

Anterior Thigh Flashcards

1
Q

Sartorius Proximal?

A

Anterior Superior Iliac Spine

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2
Q

Sartorius Distal?

A
  1. Superior medial aspect of proximal Tibia

2. Pes Anserinus

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3
Q

Sartorius Action?

A
  1. Flexes hip
  2. Flexes knee
  3. External rotation and abduction of hip

All done together

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4
Q

Sartorius Nerve?

A

Femoral Nerve (L2-L3)

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5
Q

Rectus Femoris Proximal?

A

Anterior Inferior Iliac Spine

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6
Q

Rectus Femoris Distal?

A

Patella and Quadriceps tendon (Tibial Tuberosity)

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7
Q

Rectus Femoris Action?

A
  1. Extends knee

2. Flexes hip

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8
Q

Rectus Femoris Nerve?

A

Femoral Nerve (L2-L4)

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9
Q

Vastus Lateralis Proximal?

A
  1. Greater Trochanter

2. Lateral lip of Linea Aspera

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10
Q

Vastus Lateralis Distal?

A

Patella and Quadriceps tendon (Tibial Tuberosity)

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11
Q

Vastus Lateralis Action?

A

Extends knee

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12
Q

Vastus Lateralis Nerve?

A

Femoral Nerve (L2-L4)

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13
Q

Vastus Medialis Proximal?

A
  1. Intertrochanteric line of Femur

2. Medial lip of Linea Aspera

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14
Q

Vastus Medialis Distal?

A

Patella and Quadriceps tendon (Tibial Tuberosity)

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15
Q

Vastus Medialis Action?

A

Extends knee

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16
Q

Vastus Medialis Nerve?

A

Femoral Nerve (L2-L4)

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17
Q

Vastus Intermedius Proximal?

A

Anterior Lateral aspect of the Femoral shaft

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18
Q

Vastus Intermedius Distal?

A

Patella and Quadriceps tendon (Tibial Tuberosity)

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19
Q

Vastus Intermedius Action?

A

Extends knee

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20
Q

Vastus Intermedius Nerve?

A

Femoral Nerve (L2-L4)

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21
Q

Iliacus Proximal?

A

Iliac Crest

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22
Q

Iliacus Distal?

A

Lesser Trochanter

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23
Q

Iliacus Action?

A
  1. Flexes hip

2. Externally rotates femur

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24
Q

Iliacus Nerve?

A

Femoral (L2-L3)

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25
Q

Psoas Major Proximal?

A

T12-L5 vertebrae

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26
Q

Psoas Major Distal?

A

Lesser Trochanter

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27
Q

Psoas Major Action?

A
  1. Flexes hip

2. Externally rotates femur

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28
Q

Psoas Major Nerve?

A

Lumbar Nerves (Ventral Rami L1-L3)

29
Q

Adductor Magnus Proximal?

A
  1. Anterior Fibers: Inferior Pubic Ramus
  2. Posterior Fibers: Ischial Tuberosity
  3. Oblique Fibers: Ischial Ramus
30
Q

Adductor Magnus Distal?

A
  1. Linea Aspera

2. Adductor Tubercle

31
Q

Adductor Magnus Action?

A
  1. Adducts thigh

2. Posterior fibers extend and laterally rotate the thigh

32
Q

Adductor Magnus Nerve?

A
  1. Anterior Fibers: Obturator Nerve (L2-L4)

2. Posterior Fibers: Tibial Nerve (L4)

33
Q

Adductor Longus Proximal?

A

Anterior surface of Pubis, just inferior to the Pubic Ramus

34
Q

Adductor Longus Distal?

A

Medial lip of Linea Aspera on middle third of femur

35
Q

Adductor Longus Action?

A
  1. Adducts thigh

2. Flexes hip from extended position

36
Q

Adductor Longus Nerve?

A

Obturator Nerve (L2-L4)

37
Q

Adductor Brevis Proximal?

A

Pubis

38
Q

Adductor Brevis Distal?

A
  1. Proximal Portion of Linea Aspera

2. Pectineal Line

39
Q

Adductor Brevis Action?

A
  1. Adducts thigh

2. Flexes hip from extended position

40
Q

Adductor Brevis Nerve?

A

Obturator Nerve (L2-L4)

41
Q

Gracilis Proximal?

A

Pubis (Inferior Pubic Ramus)

42
Q

Gracilis Distal?

A
  1. Medial surface of proximal Tibia, inferior to Tibial Condyle
  2. Pes Anserinus
43
Q

Gracilis Action?

A
  1. Adducts thigh
  2. Flexes knee
  3. Medially rotates Tibia
44
Q

Gracilis Nerve?

A

Obturator Nerve (L2-L4)

45
Q

Pectineus Proximal?

A

Pectineal line of Pubis

46
Q

Pectineus Distal?

A

Pectineal line of Femur

47
Q

Pectineus Action?

A
  1. Hip adduction
  2. Flexes thigh
  3. Medially rotates thigh
48
Q

Pectineus Nerve?

A

Femoral Nerve (L2-L3)

49
Q

What is important about the pubic symphysis?

A
  • Fibrocartilage that allows pelvis to expand during childbirth
  • Hormones called Relaxins work on it
50
Q

What defines the borders of the hip joint capsule?

A
  • Greater Trochanter
  • Lesser Trochanter
  • Intertrochanteric line
  • Intertrochanteric crest
51
Q

Why are the femoral condyles different sizes?

A
  • medial condyle is bigger
  • pelvis is wide which pushes the femoral head out from main axis
  • lower leg needs to be perpendicular to the ground so the femur is angled to compensate
52
Q

Importance of Adductor Tubercle and Adductor Hiatus?

A
  • Adductor Magnus attaches to Adductor Tubercle and Linea Aspera
  • creates opening for the Femoral Artery to travel through Adductor Hiatus from anterior to posterior thigh and become the Popliteal Artery
53
Q

Importance of the patella and the patellar tendon?

A
  • serve as a pulley, has synovial fluid
  • increases lever arm of the leg and allows it to extend more
  • allows force vector to point down
54
Q

Lumbosacral plexus? Lumbar plexus? Sacral plexus?

A

Lumbosacral: T12-S3

Lumbar: T12-L5

Sacral: S1-S3

55
Q

Lateral Femoral Cutaneous nerve roots? Innervation?

A

L2-L3

  • travels underneath inguinal ligament
  • innervates skin on lateral portion of thigh
56
Q

Sciatic Nerve roots?

A

L4-S3

57
Q

Femoral Nerve roots? Innervation?

A

L2-L4

  • posterior division, but innervates anterior thigh
  • travels underneath inguinal ligament
  • innervates quad muscles, sartorius, pectineus
  • cutaneous innervation for most of anterior thigh
  • continues as saphenous nerve to innervate skin of lower leg on medial side
58
Q

Obturator Nerve roots? Innervation?

A

L2-L4

  • goes through Obturator Foramen, innervates adductor muscles
  • (part of adductor magnus innervated by sciatic nerve)
  • Innervates skin on medial thigh, small portion
59
Q

Branches of Femoral Artery?

A
  • Deep Femoral Artery
  • Medial and Lateral Circumflex arteries come off Deep Femoral to anastomose around the femoral head
  • Medial runs posterior and supplies most of Femoral head
  • Lateral runs anterior
60
Q

5 branches of Popliteal Artery?

A

-continuation of Femoral Artery

  1. Superior Lateral Genicular
  2. Superior Medial Genicular
  3. Middle Genicular
  4. Inferior Lateral Genicular
  5. Inferior Medial Genicular

-these arteries anastomose around knee

61
Q

Gait Cycle?

A

single sequence of function of one limb

62
Q

Stance phase of gait?

A

limb in contact with ground

63
Q

Swing phase of gait?

A

foot in air for limb advancement

64
Q

What are the major hip flexors?

A
  • Psoas Major
  • Iliacus
  • Sartorius
  • Rectus Femoris
65
Q

Why is the Vastus Medialis bigger than the Lateralis?

A

keep patella from dislocating laterally

66
Q

Boundaries of Femoral Triangle?

A

Superior: Inguinal Ligament

Medial: Adductor Longus

Lateral: Sartorius

Floor: Iliopsoas and Pectineus

Roof: Fascia Lata, Subcutaneous tissue and skin

67
Q

Contents of Femoral Triangle?

A
  • Femoral Nerve and branches
  • Femoral Sheath
  • Femoral Artery and Vein
  • Femoral Canal (lymph nodes)
68
Q

Adductor Canal boundaries?

A

Superior: Apex of Femoral Triangle

Anterior and Lateral: Vastus Medialis

Posterior: Adductor Longus and Magnus

Medial and Roof: Sartorius

69
Q

Contents of Adductor Canal?

A
  • Femoral Artery and Vein
  • Saphenous Nerve (cutaneous)
  • Nerve to Vastus Medialis (last branch of Femoral Nerve)

Anatomy (12 decks)

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