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Lower Extremity Anatomy > Anterior Thigh > Flashcards

Anterior Thigh Flashcards

1
Q

Sartorius

Origin

A

ASIS

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2
Q

Sartorius

Insertion

A

Proximal shaft of the medial tibia (Pes Anserine)

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3
Q

Sartorius

Innervation

A

Femoral Nerve (L2-L4)

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4
Q

Sartorius

Action

A

Thigh: Flexion, abduction, lateral rotation

Leg: Flexion, medial rotation

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5
Q

Rectus Femoris

Origin

A

Straight head: AIIS

Reflected head: groove of acetabulum

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6
Q

Rectus Femoris

Insertion

A

Tibial Tuberosity

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7
Q

Rectus Femoris

Innervation

A

Femoral Nerve (L2-L4)

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8
Q

Rectus Femoris

Action

A

Thigh: Flexion
Leg: Extension

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9
Q

Vastus Lateralis

Origin

A

Greater trochanter, lateral lip of linea aspera

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10
Q

Vastus Lateralis

Insertion

A

Tibial tuberosity

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11
Q

Vastus Lateralis

Innervation

A

Femoral Nerve (L2-L4)

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12
Q

Vastus Lateralis

Action

A

Leg: Extension

Closed chain: mild lateral rotation

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13
Q

Vastus Medialis

Origin

A

Intertrochanteric line, medial lip of linea aspera

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14
Q

Vastus Medialis

Insertion

A

Tibial tuberosity

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15
Q

Vastus Medialis

Innervation

A

Femoral Nerve (L2-L4)

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16
Q

Vastus Medialis

Action

A

Leg: Extension

Closed chain: mild lateral rotation

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17
Q

Vastus Intermedius

Origin

A

Anterior Femoral diaphysis

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18
Q

Vastus Intermedius

Insertion

A

Tibial tuberosity

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19
Q

Vastus Intermedius

Innervation

A

Femoral Nerve (L2-L4)

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20
Q

Vastus Intermedius

Action

A

Leg: Extension

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21
Q

Articularis Genu

Origin

A

Distal anterior femur

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22
Q

Articularis Genu

Insertion

A

Superior synovial membrane of knee joint

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23
Q

Articularis Genu

Innervation

A

Femoral Nerve (L2-L4)

24
Q

Articularis Genu

Action

A

Draws the synovial membrane superiority during leg extension to prevent compression

25
Q

Psoas Major

Origin

A

TP, IVD, and lateral bodies of T12-L4

26
Q

Psoas Major

Insertion

A

Lesser trochanter as the iliopsoas muscle

27
Q

Psoas Major

Innervation

A

Ventral Rami (L1-L3)

28
Q

Psoas Major

Action

A

Thigh: Flexion, lateral rotation

Closed Chain: trunk flexion

29
Q

Iliacus

Origin

A

Iliac fossa

30
Q

Iliacus

Insertion

A

Lesser trochanter as the iliopsoas muscle

31
Q

Iliacus

Innervation

A

Femoral Nerve (L2-L4)

32
Q

Iliacus

Action

A

Thigh: Flexion, lateral rotation

Closed Chain: trunk flexion

33
Q

Pectineus

Origin

A

Pectineal line of pubis

34
Q

Pectineus

Insertion

A

Pectineal line of femur

35
Q

Pectineus

Innervation

A 
Femoral Nerve (L2-L4)
Obturator Nerve (L2-L4)
36
Q

Pectineus

Action

A

Thigh: flexion, adduction

37
Q

Adductor Longus

Origin

A

Pubic body

38
Q

Adductor Longus

Insertion

A

Linea aspera in the middle third of femur

39
Q

Adductor Longus

Innervation

A

Obturator Nerve (L2-L4)

40
Q

Adductor Longus

Action

A

Thigh: flexion, adduction

41
Q

Adductor Brevis

Origin

A

Inferior pubic ramus

42
Q

Adductor Brevis

Insertion

A

Pectineal line of femur

43
Q

Adductor Brevis

Innervation

A

Obturator Nerve (L2-L4)

44
Q

Adductor Brevis

Action

A

Thigh: flexion, adduction

45
Q

Adductor Magnus

Origin

A

Adductor part: ischiopubic ramus

Hamstring part: ischial tuberosity

46
Q

Adductor Magnus

Insertion

A

Adductor part: proximal 2/3rd of linea aspera, medial supracondylar line
Hamstring part: adductor tubercle

47
Q

Adductor Magnus

Innervation

A

Adductor part: Obturator Nerve (L2-L4)

Hamstring part: Tibial part of Sciatic Nerve (L4-S3)

48
Q

Adductor Magnus

Action

A

Thigh: adduction
Adductor part: thigh flexion
Hamstring part: thigh extension

49
Q

Gracilis

Origin

A

Pubic body, inferior pubic ramus

50
Q

Gracilis

Insertion

A

Proximal shaft of medial tibia (Pes Anserine)

51
Q

Gracilis

Innervation

A

Obturator Nerve (L2-L4)

52
Q

Gracilis

Action

A

Thigh: adduction
Leg: flexion, medial rotation

53
Q

Obturator Externus

Origin

A

External margins of obturator foramen, external surface of obturator membrane

54
Q

Obturator Externus

Insertion

A

Trochanteric fossa of femur

55
Q

Obturator Externus

Innervation

A

Obturator Nerve (L2-L4)

56
Q

Obturator Externus

Action

A

Thigh: lateral rotation

Lower Extremity Anatomy (4 decks)

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