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HbS > Lower extremity - thigh > Flashcards

Lower extremity - thigh Flashcards

1
Q

superficial fascia is located bn the

A

skin and deep fascia

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2
Q

contents of superficial fascia

A

fat
cutaneous nerves
superficial veisn

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3
Q

what is the largest superficial vein in the lower extremity

A

great saphenous vein

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4
Q

the great saphenous vein travels along what aspect of the LE? drains into what vein

A

medial aspect

into a deep vein, the femoral vein in anterior thigh

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5
Q

name for the deep fascia in the thigh

A

fascia lata

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6
Q

thickening of the fascia lata is called the

A 
iliotibil band (IT Band)
-it's lateral
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7
Q

what separates the thigh into 3 compartments (anterior, medial, posterior)

A

facial invaginations called intermuscular septa

-they arise from the deep aspect of the fascia lata `

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8
Q

which compartment of the thigh is the largest

A

anterior thigh

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9
Q

what innervates the anterior thigh

A

femoral nerve (w one exception of psoas major which is innervated by upper lumbar spinal nerves)

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10
Q

what muscle of the anterior compartment of the thigh has attachments at the iliac fossa and lesser trochanter

A

iliacus

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11
Q

what muscle of the anterior compartment of the thigh has attachments at the lumbar vertebra to lesser trochanter

A

psoas major

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12
Q

what are the muscles that make up the quadriceps femoris

A

rectus femoris
vastus medialis
vastus lateralis
vastus intermedius

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13
Q

what muscles are the strongest of the hip flexors

A

iliacus and psoas major (called iliopsoas)

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14
Q

what are the attachments of the rectus femoris

A

AIIS to tibial tuberosity

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15
Q

what muscle in the anterior compt of leg attaches from greater trochanter and linea aspera to tibial tuberosity

A

vastus lateralis

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16
Q

what are the attachments of the vastus medialis

A

intertrochanteric line and linea aspera to tibial tuberosity

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17
Q

what muscle attaches from the anterior femoral shaft to tibial tuberosity

A

vastus intermedius

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18
Q

when I say “to tibial tuberosity” for muscles of the quadriceps femoris, what is passed to get there

A

quadriceps tendon –> patella –> patellar tendon –> tibial tuberosity

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19
Q

what is the action of the 4 quadriceps femoris muscles & one exception

A 
knee extension (all) 
hip flexion (rectus femoris)
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20
Q

what is the innervation for the psoas major

A

upper lumbar spinal nerves

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21
Q

what is the longest muscle in the body

A

sartorius

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22
Q

what is the sartorius attachment sites

A

ASIS to medial surface of proximal tibia (pes anserinus)

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23
Q

actions of the sartorius (hint: sit criss cross apple sauce)

A

hip flexion
hip abduction
hip external rotation
knee flexion

24
Q

what muscles make the pes anserinus (goose foot)

A

sartorius
semitendinosus
gracilis

25
Q

how does the femoral nerve enter the Le

A

by passing deep to inguinal ligament

26
Q

t/f: the femoral nerve has motor innervation to the anterior compartment of the thigh, leg, and foot

A

FALSE

only thigh, doesn’t go below the knee

27
Q

innervation of medial thigh compartment

A

obturator nerve (exception: pectineus and adductor magnus which have dual innervation)

28
Q

what is the action of all muscles of the medial compartment of the thigh

A

hip adduction

29
Q

what are the 5 muscles of the medial compt of thigh

A 
pectineus 
adductor longus
adductor brevis 
gracilis
adductor magnus
30
Q

what are the 7 muscles of the anterior compartment

A 
sartorius
rectus femoris
vastus lateralis
vastus medialis 
vastus intermedius 
iliacus 
psoas major
31
Q

what are the attachments of the pectineus muscle

A

pubic bone to pectineal line

32
Q

what is the dual innervation of pectineus muscle

A

obturator and femoral nerve

33
Q

what muscle attaches from the pubic bone to proximal linea aspera

A

adductor brevis

34
Q

what are the attachments for the adductor longus

A

pubic bone to middle of linea aspera

35
Q

what muscle attaches from the pubic bone to medial surface of proximal tibia (pes anserinus)

A

gracilis

36
Q

what are the attachments of the adductor magnus

A

pubic bone & ischium TO linea aspera & adductor tubercle

37
Q

what is the dual innervation of adductor magnus

A

obturator and tibial nerve

38
Q

how does the obturator nerve enter the LE?

A

by passing throguh the obturator canal

39
Q

t/f obturator nerve has motor branches to medial compt of thigh but not below the knee

A

true

40
Q

what muscles attachment creates an opening for vessels to pass?

A

adductor magnus

41
Q

innervation of posterior thigh compartment (smallest compt)

A

tibial nerve (exception: short head of biceps femoris has diff innervation)

42
Q

what are the 3 muscles of the posterior compt

A

semitendinosus
semimembranous
biceps femoris (long and short head)

43
Q

what are the attachments of the semitendinosus

A

ischial tuberosity to medial surface of proximal tibia (pes anserinus)

44
Q

whats the action of the semitendinosus muscle

A

hip extension

knee flexion

45
Q

what muscle attaches from the ischial tuberosity to fibular head

A

biceps femoris

46
Q

what is the innervation of the short head and long head of the biceps femoris

A

long head - tibial nerve

short head - common fibular nerve

47
Q

what is the attachments of semimembranosus

A

ischial tuberosity to proximal tibia (medial tibial condyle)

48
Q

what is the action of semitendinosus, semimembranosus, and biceps femoris (short and long head)

A

Semitend, semimembr, and biceps long head:
hip extension & knee flexion

biceps femoris short head:
knee flexion ONLY

49
Q

why does the biceps femoris short head do knee flexion only (i.e. what’s the attachments)

A

linea aspera of femur to fibular head

50
Q

what nerve passes through the gluteal region but doesn’t innervate any of the gluteal muscles

A

sciatic nerve

51
Q

what does the sciatic nerve give rise to

A

tibial nerve & common fibular nerve

52
Q

does the tibial and common fibular nerve stay in the thigh or pass into the leg

A

passes into the leg

53
Q

what arteries supply blood to the thigh? which is the major source to the thigh and which is the minor

A

femoral (major) and obturator (minor) artery

54
Q

what gives rise to the femoral artery

A

external iliac artery

55
Q

when does the external iliac become the femoral artery

A

when passes inguinal ligament

56
Q

what gives rise to obturator artery

A

internal iliac artery

HbS (8 decks)

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