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Anatomy Exam 3 > Anterior and Medial Thigh > Flashcards

Anterior and Medial Thigh Flashcards

1
Q

Musculovenous pump

A

muscle contracts, compressing vein and propelling blood toward heart; valves prevent backflow of blood (unidirectional)

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2
Q

How does the fascia of the leg aid the action of the musculovenous pump?

A

Fascia lata and crural fascia limit expansion of muscles during contraction -> forcing muscle to expand inwards and press on the veins

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3
Q

Deep Vein thrombosis

A

Thrombosis (clot) in deep vein of lower extremitiy -causes: immobility, hypercoaguability, trauma to vein

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4
Q

Deep fascia forms intermuscular septa that creates what 3 compartments in the thigh and what 3 in the leg?

A

Thigh: Anterior, Posterior, medial Leg: Anterior, Posterior, Lateral *each associated with own nerve and vessel

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5
Q

Cutaneous innervation of anterior thigh

A

Lateral cutaneous n. of thigh (branch of femoral n.)

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6
Q

Cutaneous innervation of medial thigh

A

obturator n.

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7
Q

Arterial and venous supply of anterior thigh

A

Femoral artery; femoral vein

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8
Q

Arterial and venous supply of medial thigh

A

Obturator artery, obturator vein

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9
Q

Origin and insertion of Rectus femoris (quadriceps femoris)

A

O: AIIS

I: patella via quadriceps tendon and indirectly to tibial tuberosity via patellar ligament

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10
Q

Innervation and action of rectus femoris

A

N: femoral n.

A: extends leg, flexes thigh

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11
Q

Origin and insertion of vastus lateralis (quadriceps femoris)

A

O: greater trochanter of femur, lateral linea aspera

I; patella via quadriceps tendon and indiretly to tibial tuberosity via patellar ligament

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12
Q

Innervation and action of vastus lateralis

A

N: femoral n.

A: extends leg

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13
Q

Origin and insertion of vastus medialis (quadriceps femoris)

A

O: Intertrochanteric line; linea aspera of femur

I: patella via quadriceps tendon and indirectly to tibial tuberosity via patellar ligament

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14
Q

Innervation and action of vastus medialis

A

N: femoral n.

A: extends leg

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15
Q

Origin and insertion of vastus intermedius (quadriceps femoris)

A

O: anterior/lateral shaft of femur

I: patella via quadriceps tendon and indirectly to tibial tuberosity via patellar ligament

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16
Q

Innervation and action of vastus intermedius

A

N: femoral n

A: extends leg

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17
Q

Origin and insertion of pectineus

A

O: superior ramus of pubis

I: pectineal line of femur

18
Q

Innervation and action of pectineus

A

N: femoral n (may receive branch from obturator n)

A: adducts, flexes thigh

19
Q

Origin and insertion of sartorius

A

O: ASIS

I: medial surface of proximal tibia

20
Q

Innervation and action of sartorius

A

N: femoral n

A: flexes, abducts, and laterally rotates thigh; flexes leg

*sitting cross legged

21
Q

What three muscles form the pes anserinus

A
  • semitendinosus
  • sartorius
  • gracilis
22
Q

What is the femoral triangle?

A

Passage of structures between abdominopelvic cavity and LE

23
Q

What are the boundaries of the femoral triangle

A

SAIL

  • Sartorius
  • Adductor longus
  • Inguinal Ligament
24
Q

Coming out of the femoral triangle is a opening. What is this called and what vein runs through it?

A

Saphenous opening; great saphenous v.

25
Q

Name the contents of the femoral triangle. Which are enclosed in the femoral sheath?

A

N(AVL): Lateral > medial

  • Femoral N.

In Femoral Sheath

  • Femoral A.
  • Femoral V.
  • Lympathics
26
Q

What is a femoral hernia

A
  • femoral ring: weak area-site of herniation
  • intestine (in late stage) can pass through saphenous opening
27
Q

Origin and insertion of gracilis

A

O: body/inferior ramus of pubis

I: medial surface of proximal tibia

28
Q

Innervation and action of gracilis

A

N: obturator n

A: adducts thigh, flexes leg

29
Q

Origin and insertion of obturator externus

A

O: anterior surface of obturator membrane

I: trochanteric fossa of femur

30
Q

Innervation and action of obturator externus

A

N: obturator n

A: laterally rotates thigh

31
Q

Origin and insertion of adductor longus

A

O: body of pubis

I: middle 1/3 of linea aspera

32
Q

Innervation and action of adductor longus

A

N: obturator n

A: adducts thigh

33
Q

Origin and insertion of adductor brevis

A

O: body/inferior ramus of pubis

I: upper 1/3 of linea aspera

34
Q

Innervation and action of adductor brevis

A

N: obturator n

A: adducts thigh

35
Q

What nerve/artery straddles adductor brevis

A

Anterior and posterior branches of obturator n. and a. straddle adductor brevis

36
Q

Origin of adductor magnus

A

O: adductor part: ishciopubic ramus

O: hamstring part: ischial tuberosity

37
Q

Insertion of adductor magnus

A

I: adductor part: gluteal tuberosity, linea aspera

I: hamstring part: adductor tubercle of femur

38
Q

Innervation of adductor magnus

A

I: adductor part: obturator n

I: hamstring part: tibial division of sciatic n.

39
Q

The “hamstring part” of the adductor magnus is also referred to as what?

A

ischiocondylar portion

40
Q

What artery, nerve, and nerve run in the adductor canal

A

femoral artery, femoral vein, saphenous nerve

41
Q

What is the adductor hiatus? what runs through it?

A

Adductor hiatus marks the end of the adductor canal and is a hole in the adductor magnus; femoral vessels pass through it to the popliteal fossa

42
Q

Where is the pectineal line of the femur

A

Anatomy Exam 3 (9 decks)

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