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Gross Anatomy II NYCC > Anterior & Medial Thigh > Flashcards

Anterior & Medial Thigh Flashcards

(66 cards)

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1
Q

What is the name of the deficit in the fascia lata where the great saphenous vein drains into the femoral vein?

A

Saphenous hiatus

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2
Q

The great saphenous vein is located _____ in the thigh

A

Medially

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3
Q

The lesser saphenous vein is located _____ in the leg

A

Posteriorly

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4
Q

The saphenous nerve runs with the _____

A

Great saphenous vein

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5
Q

Branches of the _____ run with the lesser saphenous vein

A

Sural nerve

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6
Q

What forms the iliotibial tract/band?

A

Aponeurosis of gluteus Maximus & tensor fascia lata

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7
Q

What are the 2 specializations of the fascia lata (deep fascia)?

A

Iliotibial tract/band
Saphenous opening/hiatus

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8
Q

Describe the borders of the femoral triangle

A
  • superior/base = inguinal ligament
  • medial = adductor longus
  • lateral = sartorius
  • floor = pectineus (med) & iliopsoas (lat)
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9
Q

What are the contents of the femoral triangle?

A

femoral n, a, v, and lymph (NAVL)

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10
Q

What structures are within the femoral sheath that exits the femoral triangle?

A

Femoral a & v, lymph

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11
Q

Name the contents of the adductor canal

A

Femoral a
Femoral v
N to vastus medialis
Saphenous n

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12
Q

Where do structures in the adductor hiatus end up?

A

Femoral a & v travel posteriorly
Saphenous n stays anterior
N to vastus medialis ends in the muscle

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13
Q

Femoral a and v are continuations of the ____ and ____

A

External iliac a & v

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14
Q

Name the branches of the femoral artery

A
  • profunda femoris a
  • medial femoral circumflex a
  • lateral femoral circumflex a
  • descending genicular a
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15
Q

Name the muscles of the iliopsoas group

A

Psoas major
Psoas minor
Iliacus

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16
Q

Name the 4 quadriceps muscles

A

Rectus femoris
Vastus medialis
Vastus intermedius
Vastus lateralis

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17
Q

Origin & insertion of Psoas major

A

O: T12-L5 vertebrae & IVDs, TPs of L1-L5
I: with iliacus into lesser trochanter

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18
Q

Innervation of Psoas major

A

L1-L3 ventral primary rami

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19
Q

Action of Psoas major

A

Flex thigh at hip

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20
Q

Origin & insertion of Psoas minor

A

O: T12,L1 vertebrae & IVD
I: pectineal line, iliopectineal eminence

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21
Q

Innervation of Psoas minor

A

Branch of L1

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22
Q

Action of Psoas minor

A

Assist Psoas major

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23
Q

Origin & insertion of iliacus

A

O: iliac fossa (as tendon of Psoas major passes over iliacus, tendons fuse forming iliopsoas)
I: lesser trochanter

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24
Q

Innervation of iliacus

A

Femoral n

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25
Action of iliacus
Flex thigh at hip
26
Origin & insertion of sartorius
O: anterior superior iliac spine I: superior part of medial surface of tibia
27
Action of sartorius
- flex, abduct, laterally rotate thigh at the hip - flex & medially rotate leg at the knee
28
What forms the pes anserinus complex?
Tendons of sartorius, gracilis, semitendinosus all have distal attachments alongside each other at the Superomedial tibia
29
What is the function of the pes anserinus complex?
Postural stabilization
30
What is the bony insertion of quadriceps femoris?
All form the quadriceps tendon that envelops the patella and inserts at the **tibial tuberosity** as the patellar tendon
31
Innervation of quadriceps femoris
Femoral nerve
32
Common action of quadriceps femoris
Extend the knee
33
Rectus femoris will initiate ____
Thigh flexion
34
Origin of rectus femoris
straight head: anterior inferior iliac spine reflected head: rim of acetabulum
35
Origin of vastus medialis
O: medial lip of linea aspera & intertrochanteric line of femur
36
Where can the fleshy part of vastus medialis be palpated?
Superimedially to patella
37
What happens with weakness of the vastus medialis muscle?
Allows patella to track laterally during knee extension causing bony contact with lateral femoral condyle
38
Origin of vastus lateralis
Greater trochanter & lateral lip of linea aspera
39
Origin of vastus intermedius
Anterior & lateral surfaces of shaft of femur
40
Where is articularis genu located?
Deep to vastus intermedius, sometimes blended with it
41
Origin & insertion of articularis genu
O: distal femoral shaft I: synovial joint capsule of knee
42
Innervation of articularis genu
Femoral nerve
43
Action of articularis genu
Retract synovial capsule to prevent pinching during extension
44
General action of medial femoral muscle group
Adduct the thigh (with 1 exception)
45
General innervation of medial femoral muscle group
Obturator nerve (2 exceptions)
46
Innervation of adductor magnus
Posterior division of obturator n Tibial division of sciatic n
47
Adductor longus, adductor brevis and gracilis are innervated by the ____
Anterior division of obturator n
48
Origin & insertion of pectineus
O: pectineal line of pubic bone I: pectineal line of femur
49
Action of pectineus
Hip adduction & flexion
50
Innervation of pectineus
Femoral nerve
51
Origin of adductor longus, adductor brevis, & gracilis
Ramus & body of pubis bone
52
Insertion of adductor longus
Middle 1/3 of linea aspera
53
Insertion of adductor brevis
Pectineal line of femur & proximal linea aspera
54
Insertion of gracilis
Superomedial surface of tibia
55
Action of adductor brevis & longus
Adduct the thigh
56
Action of gracilis
Adduct thigh & medially rotate the knee
57
Origin & insertion of adductor part of adductor magnus
O: ischiopubic ramus I: gluteal tuberosity, linea aspera, medial supracondylar line
58
Innervation of adductor part of adductor magnus
Posterior branch of obturator nerve
59
Origin & insertion of hamstring part of adductor magnus
O: ischial tuberosity I: adductor tubercle
60
Innervation of hamstring part of adductor Magnus
Tibial division of sciatic nerve
61
____ is the exit passage from the adductor canal
Adductor hiatus
62
Origin & insertion of obturator externus
O: exterior margin of obturator foramen & membrane I: trochanteric fossa
63
Innervation of obturator externus
Posterior division of obturator nerve
64
Action of obturator externus
Lateral rotation of thigh
65
The anterior branch of the obturator nerve lies between ____ and ____
Adductor longus & brevis
66
The posterior branch of the obturator nerve lies superficial to ____ and deep to ____
Obturator externus Adductor brevis

Gross Anatomy II NYCC (18 decks)

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