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ANAT 315 Term 2 > Lecture 5 - Anterior & Medial Thigh Muscles + Femoral Triangle > Flashcards

Lecture 5 - Anterior & Medial Thigh Muscles + Femoral Triangle Flashcards

1
Q

What are the three compartements of the thigh?

A

Anterior compartment, medial compartment, posterior compartment

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2
Q

What is the membrane tissue that surrounds and seperates each compartment called? (above knee and below knee)

A

fascia lata (above knee) deep fascia of the leg (below knee)

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3
Q

what muscles fuse with the fascia lata? (2)

A

gluteus maximus and tensor fascia latae muscles

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4
Q

What action do the muscles in the anterior compartment primarily do? (2)

A

Extend leg at knee joint and flex thigh at hip joint

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5
Q

What muscles are part of the anterior compartment? (7)

A

psoas + illiacus (iliopsoas), rectus femoris + vasus lateralis + vastus intermedius + vastus medialis (quad muscle group), sartorius

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6
Q

Where does the psoas majro and iliacus become the ilipsoas?

A

at the inguinal ligament

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7
Q

Psoas major: origin

A

transverse process and vertebral bodies of T12-L5

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8
Q

Iliacus: origin

A

iliac fossa

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9
Q

Iliopsoas: insertion

A

lesser trochanter of femur

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10
Q

Iliopsoas: actions (2)

A

flexes the thigh at the hip joint and lateral roation of the thigh

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11
Q

Psoas major, Iliacus and Iliopsoas: innervation

A

femoral nerve

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12
Q

Sartorius: origin

A

anterior superior iliac spine

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13
Q

Sartorius: insertion

A

Medial surface of tibia

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14
Q

Sartorius: actions (2)

A

flexes thigh at hip joint and flexes leg at knee joint

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15
Q

Sartorius: innervation

A

femoral nerve

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16
Q

What is the sartorius muscle often refered to as and why?

A

the “seatbelt” muscle because it originates on the lateral side and crosses the thigh to insert on the medial side

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17
Q

Rectus femoris: origin

A

anterior inferior iliac spine

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18
Q

Rectus femoris: insertion

A

quadriceps femoris tendon

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19
Q

Rectus femoris: actions (2)

A

felxes thigh at hip joint and extends leg at knee joint

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20
Q

Rectus femoris: innervation

A

femoral nerve

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21
Q

What are the three “vastus” muscles?

A

vastus lateralis, vastus medialis, vastus intermedius

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22
Q

Vastus lateralis: origin

A

lateral intertrochanteric line of femur

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23
Q

Vastus lateralis: insertion

A

lateral patella via quadriceps femoris tendon

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24
Q

Vastus lateralis: action

A

extend leg at knee joint

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25
Q

Vastus lateralis: innervation

A

femoral nerve

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26
Q

Vastus medialis: origin

A

medial intertrochanteric line of femur

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27
Q

Vastus medialis: insertion

A

medial patella via quadriceps femoris tendon

28
Q

Vastus medialis: action

A

extend leg at knee joint

29
Q

Vastus medialis: innervation

A

femoral nerve

30
Q

Vastus intermedius: origin

A

Upper 2/3 of anterior and lateral femur

31
Q

Vastus intermedius: insertions (3)

A

quadriceps femoris tendon, lateral patella and lateral condyle of tibia

32
Q

Vastus intermedius: action

A

extend the leg at the knee joint

33
Q

Vastus intermedius: innervation

A

femoral nerve

34
Q

What muscles are part of the medial compartment? - superficial (3)

A

pectineus, adductor longus, gracilis

35
Q

What muscles are part of the medial compartment? - deep (3)

A

adductor brevis, adductor magnus, adductor hiatus

36
Q

What action do the muscles in the medial compartment primarily do?

A

adduct the thigh at the hip joint

37
Q

Gracilis: origins (2)

A

inferior pubic ramus, ramus of ischium

38
Q

Gracilis: insertion

A

medial surface of proximal tibia

39
Q

Gracilis: actions (2)

A
  • adduct thigh at hip joint
  • flex the leg at knee joint
40
Q

Gracilis: innervation

A

obturator nerve

41
Q

Pectineus: origin

A

pectineal line

42
Q

Pectineus: insertion

A

pectineal line of femur

43
Q

Pectineus: actions (2)

A
  • adduct thigh at hip joint
  • flex thigh at hip joint
44
Q

Pectineus: innervation

A

femoral nerve

45
Q

Adductor Longus: origin

A

external surface of pubis

46
Q

Adductor Longus: insertion

A

linea aspera on femur

47
Q

Adductor Longus: actions (2)

A
  • adduct thigh at hip joint
  • medially rotate thigh at hip joint
48
Q

Adductor Longus: innervation

A

obturator nerve

49
Q

Adductor brevis: origins (2)

A
  • external surface of pubis
  • inferior pubic ramus
50
Q

Adductor brevis: insertions (2)

A
  • posterior surface of femur
  • upper 1/3 of linea aspera
51
Q

Adductor brevis: actions (2)

A

-adduct thigh at hip joint
-medially roatte thigh at hip joint

52
Q

Adductor brevis: innervation

A

obturator neve

53
Q

What are the two parts to the adductor ramus?

A

adductor part and hamstring part

54
Q

Adductor magnus - adductor part: origin

A

ischiopubic ramus

55
Q

Adductor magnus - adductor part: insertions (3)

A
  • posterior surface of proximal femur
  • linea aspera
  • medial supracondylar line
56
Q

Adductor magnus - adductor part: actions (2)

A
  • adduct thigh at hip joint
  • medially rotate thigh at hip joint
57
Q

Adductor magnus - adductor part: innervation

A

obturator nerve

58
Q

Adductor magnus - hamstring part: origin

A

ischial tuberosity

59
Q

Adductor magnus - hamstring part: insertion

A

surpacondylar line

60
Q

Adductor magnus - hamstring part: actions (2)

A
  • adduct thigh at hip joint
  • medially rotate thigh at hip joint
61
Q

Adductor magnus - hamstring part: innervation

A

sciatic nerve

62
Q

What are the bounderies of the femoral triangle? from lateral to medial (3)

A

sartorius - adductor longus and pectineus - inguinal ligament

63
Q

What are the contents of the femoral triangle ? (4)

A

Femoral Nerve, Femoral Arterie, Femroal Veine and Lymoh node (NAVL)

64
Q

What does the lymph node pass through in the femoral triangle?

A

the femoral canal

65
Q

What does the lymph node in the femoral triangle do?

A

drains lymph from lower limbs

66
Q
A

ANAT 315 Term 2 (9 decks)

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