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Anatomy 5 > Lecture 45+46: Gluteal Region and Posterior Thigh + Anterior/medial Thigh > Flashcards

Lecture 45+46: Gluteal Region and Posterior Thigh + Anterior/medial Thigh Flashcards

1
Q

the femur is what portion of a person’s height?

A

1/4

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2
Q

angle of inclination at birth? adult? old?

A

140
126
120
angle is also less in females

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3
Q

emerge from the superficial ring to supply the proximal medial thigh with most branches going to the genital region

A
  • genital branches of genitofemoral n. (L1-2)

- ilioinguinal n. (L1)

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4
Q

supplies skin over the femoral triangle ( proximal part of the anterior thigh)

A

femoral branch of genitofemoral (L1-2)

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5
Q

supplies the skin of the medial thigh

A

medial cutaneous branch of femoral n.

femoral n. = L2-4

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6
Q

supplies the skin of the distal anterior thigh

A

intermediate cutaneous branch of femoral n.

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7
Q

enters the thigh medial to ASIS and supplies the lateral thigh, lateral to the intermediate cutaneous branch of the femoral n.

A

lateral femoral cutaneous n. (L2-3)

note this is not a branch of the femoral n.

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8
Q

supplies the posterior thigh and popliteal region by coursing inferiorly into the thigh from the gluteal region

A

posterior femoral cutaneous n. (S1-3)

originates from sacral plexus

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9
Q

skin over the lower abdominal wall

A

superficial epigastric a.

- a branch from the femoral a.

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10
Q

proceeds laterally inferior to the inguinal ligament, parallels the cource of the deep circumflex iliac a.

A

superficial circumflex iliac a

- a branch from the femoral a.

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11
Q

most medial branch off the femoral a.

A

external pudendal a.

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12
Q

true or false: valves are more numerous in the thigh

A

FALSE valves are more numerous in the leg

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13
Q

traverses the _______ opening in the fascia lata to empty into the femoral vein ____________ to the inguinal ligament

A

saphenous; inferior

the great saphenous vein

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14
Q

where is the deep fascia of the thigh the thickest?

A

anterior and lateral parts of the thigh, especially at the iliotibial tract

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15
Q

where do the septa of the deep fascia of the thigh all attach>

A

at the linea aspera

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16
Q

action of the anterior compartment of the thigh

A

flexors of the hip and extensors of the knee

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17
Q

nerve of the anterior compartment of the thigh

A

femoral n.

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18
Q

O-I sartorius

A

O- anterior superior iliac spine

I- superior part of medial surface of tibia

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19
Q

O-I Rectus Femoris

A

O- anterior infrerior iliac spine

I- patella

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20
Q

O-I Vastus lateralis

A

O- linea aspera

I- patella

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21
Q

O-I vastus medialis

A

O- linea aspera

I- patella

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22
Q

O-I vastus intermedius

A

O- body of femur

I- patella

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23
Q

4 muscles in quadriceps femoris

A

rectus femoris
vastus lateralis
vastus medialis
vastus intermedius

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24
Q

O-I articularis genu

A

O- anterior part of the femur

I- synovial membrane of knee

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25
Q

O-I psoas major

A

O- lumbar vertebrae

I- lesser trochanter of femur

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26
Q

O-I iliacus

A

O- iliac crest and fossa

I- lesser trochanter of femur

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27
Q

O-I tensor fascia latae

A

O- anterior superior iliac spine

I- iliotibial tract

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28
Q

innervation to the tensor fascia latae

A

superior gluteal n.

NOT the femoral n., even though it is part of the anterior compartment

29
Q

action of the medial compartment of the thigh

A

adductors

30
Q

nerve of the medial compartment of the thigh

A

obturator n.

31
Q

muscles of the anterior compartment of thigh (9)

A 
sartorius
(4) quadriceps femoris
articualris genu
iliopsoas (2)
tensor fascia lata
32
Q

muscles of the medial compartment of the thigh (6)

A 
pectineus
adductor longus
adductor brevis
adductor magnus (2 parts)
gracilis
obturator externus
33
Q

O-I Pectineus

A

O- superior ramus of pubis

I- pectineal line of femur

34
Q

Innervation to pectineus m.

A

femoral AND obturator nerves even though m. located in medial compartment

35
Q

O-I adductor longus

A

O- body of pubic bone

I- linea aspera

36
Q

O-I adductor brevis

A

O- inferior ramus of pubic bone

I- linea aspera

37
Q

O-I adductor magnus (adductor part)

A

O- ischiopubic ramus

I- linea aspera

38
Q

O-I adductor magnus (hamstring part)

A

O- ischial tuberosity

I- adductor tubercle of femur

39
Q

nerve supply to the adductor magnus

A

adductor part- obturator n.

hamstring part- tibial n.

40
Q

O-I gracilis

A

O- inferior ramus of pubis

I- superior part of medial surface of tibia

41
Q

O-I obturator externus

A

O- Margins of obturator foramen and obturator membrane

I- trochanteric fossa of femur

42
Q

pes anserinus

A

attachment site to tibia of sartorius, gracilus and semitendinosus

43
Q

action of the posterior compartment of the thigh

A

extend hip and flex knee

44
Q

what is the only posterior compartment muscle that is not a hamstring?

A

short head of the biceps femoris

45
Q

what is the common origin for the muscles of the posterior compartment of the thigh?

A

ischial tuberosity

46
Q

what is the nerve of the posterior compartment of the thigh?

A

tibial n.

47
Q

O-I biceps femoris long head

A

O- ischial tuberosity

I- fibular head

48
Q

O-I biceps femoris short head

A

O- linea aspera

I- fibular head

49
Q

what is the unique innervation the short head of the biceps femoris

A

NOT tibial n. like the rest of the posterior compartment

innervated by the common peroneal n.

50
Q

O-I semitendinosus

A

O- ischial tuberosity

I- medial surface of the upper tibia

51
Q

what are the boundaries of the femoral triangle?

A

superior: inguinal ligament
medial: medial border of adductor longus
lateral: medial border of sartorius
roof: fascia lata
floor: iliopsoas and pectineus m.

52
Q

where do femoral hernias usually originate?

A

femoral ring (medial compartment of femoral sheath containing lymphatics and fat)

53
Q

order medial to lateral the contents of the femoral triangle

A

lymphatics
femoral v.
femoral a.
femoral n.

54
Q

two other names for the adductor canal

A

subsartorial canal

hunter’s canal

55
Q

where is the adductor canal located and to where does it extend?

A

extend from the apex of the femoral triangle to the adductor hiatus in the adductor magnus muscle

it is essentially located under the sartorius m.

56
Q

what are the boundaries of the adductor canal

A

anteriormedial: sartorius
lateral: vastus medialis
posterior: adductor longus and magnus

57
Q

contents of the adductor canal

A

femoral a. and v.
saphenous n.
nerve to vastus medialis

58
Q

when does the femoral n. break up into sensory and motor branches

A

while still in the femoral triangle

59
Q

what are the sensory branches of the femoral n.? (3)

A

medial femoral cutaneous n.
intermediate femoral cutaeous n.
saphenous n.

60
Q

travels through the adductor canal

it leaves the canal at its lower end to innervate the skin of the leg and foot

A

saphenous n.

61
Q

when does the obturator nerve divide into an anterior and posterior division?

A

in the obturator foramen

the anterior division is in front of the adductor brevis; the posterior division is behind the adductor brevis

62
Q

what does the anterior division of the obturator n. supply?

A

adductor longus
gracilis
adductor brevis
part of pectineus

63
Q

what does the posterior diviison of the obturator n. supply?

A

obturator externus
adductor brevis
adductor magnus

64
Q

enteres the thigh by passing below the inguinal ligmanet, lateral to the femoral vine

A

femoral a.

65
Q

what is the femoral a. a continuation of?

A

external iliac a.

66
Q

what is the obturator a. a continuation of?

A

internal iliac a.

67
Q

what a. are involved in the cruciate anastomosis?

A

1st perforating a.
medial femoral cicumflex a.
lateral femoral circumflex a.
inferior gluteal a.

68
Q

what are the boundaries to the popliteal fossa?

A

inferomedial and inferolateral: gastrocnemius m.

superolateral: biceps femoris
superomedial: semimebranous tendon
floor: popliteal surface of femur and posterior knee ligaments

69
Q

what are the contents of the popliteal fossa?

A 
termination of small saphenous v.
popliteal vessels and branches
tibial and common peroneal n.
posterior cutaneous nerve of thigh
popliteal lymph  nodes and vessels

Anatomy 5 (6 decks)

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