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Human Body Systems > Thigh > Flashcards

Thigh Flashcards

1
Q

superficial fascia

A

located in between skin and deep fascia

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2
Q

Deep fascia components

A

Fascia lata and iliotibial band (ITB)

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3
Q

Fascia lata

A

actual deep fascia in thigh

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4
Q

ITB

A

Thickening of fascia lata

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5
Q

Contents of fascia

A

cutaneous nerves, and superficial veins

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6
Q

Great saphenous vein

A

largest superficial vein in lower extremity (LE)

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7
Q

Great saphenous vein course

A

Ascends along medial aspect of LE to drain into deep femoral vein in anterior thigh

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8
Q

How are compartments in thigh created?

A

fascial invaginations (intermuscular septa) from deep aspect of fascia lata

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9
Q

Compartments in thigh

A

Anterior, posterior, and medial compartments

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10
Q

Muscles in anterior thigh

A

Psoas major, iliacus, quadriceps femoris, sartorius

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11
Q

Psoas major AIM

A

A: lumbar vertebra to lesser trochanter
I: upper lumbar spinal nerves (L1-L3)
M: hip flexor

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12
Q

Iliacus AIM

A

A: iliac fossa to lesser trochanter
I: Femoral n.
M: hip flexor

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13
Q

Muscles in quadriceps femoris

A

Rectus femoris and vastus medialis, lateralis, and intermedius

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14
Q

Rectus femoris A and M

A

A: anterior inferior iliac spine to tibial tuberosity (crosses hip joint, others don’t)
M: knee extension and hip flexion

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15
Q

Vastus medialis A

A

intertrochanteric line and linea aspera to tibial tuberosity

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16
Q

Vastus lateralis A

A

greater trochanter and linea aspera to tibial tuberosity

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17
Q

Vastus intermedius A

A

anterior femoral shaft to tibial tuberosity

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18
Q

Do all muscles in quadriceps femoris cross knee joint?

A

YES

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19
Q

Quadriceps femoris I and M

A

I: Femoral nerve
M: knee extension

20
Q

Sartorius AIM

A

A: ASIS to proximal tibia (medial)
I: femoral nerve
M: hip flexion, abduction and external/lateral rotation (ER/LR) and knee flexion

21
Q

Muscles in medial compartment of thigh

A

pectineus, adductor longus, adductor brevis, gracilis, and adductor magnus

22
Q

pectineus AIM

A

A: pubic bone to pectineal line
I: femoral and obturator nerves
M: hip adduction

23
Q

Adductor longus AIM

A

A: pubic bone to linea aspera
I: Obturator
M: hip adduction

24
Q

Adductor brevis AIM

A

A: pubic bone to linea aspera
I: Obturator
M: hip adduction

25
Q

Location of adductor brevis

A

deep to adductor longus and pectineus

26
Q

Gracilis AIM

A

A: pubic bone passing posterior axis of knee joint to proximal tibia (medial)
I: obturator
M: hip adduction and knee flexion

27
Q

Adductor magnus AIM

A

A: Pelvis to linea aspera and adductor tubercle
I: obturator and tibial nerves
M: hip adduction

28
Q

Which is the largest adductor muscle?

A

Adductor magnus

29
Q

Where do vessels pass through in thigh?

A

pass through adductor hiatus created by the attachment adductor magnus posteriorly

30
Q

Muscles in posterior compartment of thigh

A

Semitendinosus, semimembranosus, biceps femoris (long head), biceps femoris (short head)

31
Q

Semitendinosus AIM

A

A: ischial tuberosity to proximal tibia (medial and most superficial)
I: Tibial nerve
M: Hip extension, knee flexion

32
Q

Semimembranosus AIM

A

A: Ischial tuberosity to proximal tibia (medial tibial condyle)
I: Tibial nerve
M: hip extension, knee flexion

33
Q

Biceps femoris long head AIM

A

A: ischial tuberosity then crosses knee to fibular head
I: tibial nerve
M: hip extension, knee flexion

34
Q

Biceps femoris short head AIM

A

A: linea aspera then crosses knee to fibular head
I: common fibular nerve
M: knee flexion

35
Q

Which muscles in posterior compartment attach to hip?

A

Semitendinosus, semimembranosus, and biceps femoris long head

36
Q

femoral nerve enters ____ and provides what kind of innervation where?

A

enters LE by passing deep to inguinal ligament, motor to anterior compartment of thigh
No motor innervation below the knee, only sensory branch

37
Q

obturator nerve enters ____ and provides what kind of innervation where?

A

enters LE by passing through obturator canal, motor branches to medial thigh compartment
No motor innervation below the knee

38
Q

sciatic nerve

A

passes through the glueal region

2 nerves wrapped into a bundle with CT

39
Q

Does sciatic nerve innervate gluteal muscles?

A

No

40
Q

Nerves within sciatic nerve

A

Tibial and common fibular nerves

41
Q

Tibial nerve

A

innervates semimembranosus, semitendinosus, and biceps femoris long head

42
Q

Common fibular nerve

A

innervates biceps femoris short head

43
Q

Do tibial and common fibular nerves pass into leg?

A

YES

44
Q

What is femoral artery and is it major or minor for thigh?

A

continuation of external iliac artery

Major source of blood supply to thigh

45
Q

What is obturator and is it major of minor for thigh?

A

branch of internal iliac artery

Minor source of blood to thigh

Human Body Systems (17 decks)

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