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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

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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
O-I psoas major
O- lumbar vertebrae | I- lesser trochanter of femur
26
O-I iliacus
O- iliac crest and fossa | I- lesser trochanter of femur
27
O-I tensor fascia latae
O- anterior superior iliac spine | I- iliotibial tract
28
innervation to the tensor fascia latae
superior gluteal n. NOT the femoral n., even though it is part of the anterior compartment
29
action of the medial compartment of the thigh
adductors
30
nerve of the medial compartment of the thigh
obturator n.
31
muscles of the anterior compartment of thigh (9)
``` sartorius (4) quadriceps femoris articualris genu iliopsoas (2) tensor fascia lata ```
32
muscles of the medial compartment of the thigh (6)
``` pectineus adductor longus adductor brevis adductor magnus (2 parts) gracilis obturator externus ```
33
O-I Pectineus
O- superior ramus of pubis | I- pectineal line of femur
34
Innervation to pectineus m.
femoral AND obturator nerves even though m. located in medial compartment
35
O-I adductor longus
O- body of pubic bone | I- linea aspera
36
O-I adductor brevis
O- inferior ramus of pubic bone | I- linea aspera
37
O-I adductor magnus (adductor part)
O- ischiopubic ramus | I- linea aspera
38
O-I adductor magnus (hamstring part)
O- ischial tuberosity | I- adductor tubercle of femur
39
nerve supply to the adductor magnus
adductor part- obturator n. | hamstring part- tibial n.
40
O-I gracilis
O- inferior ramus of pubis | I- superior part of medial surface of tibia
41
O-I obturator externus
O- Margins of obturator foramen and obturator membrane | I- trochanteric fossa of femur
42
pes anserinus
attachment site to tibia of sartorius, gracilus and semitendinosus
43
action of the posterior compartment of the thigh
extend hip and flex knee
44
what is the only posterior compartment muscle that is not a hamstring?
short head of the biceps femoris
45
what is the common origin for the muscles of the posterior compartment of the thigh?
ischial tuberosity
46
what is the nerve of the posterior compartment of the thigh?
tibial n.
47
O-I biceps femoris long head
O- ischial tuberosity | I- fibular head
48
O-I biceps femoris short head
O- linea aspera | I- fibular head
49
what is the unique innervation the short head of the biceps femoris
NOT tibial n. like the rest of the posterior compartment innervated by the common peroneal n.
50
O-I semitendinosus
O- ischial tuberosity | I- medial surface of the upper tibia
51
what are the boundaries of the femoral triangle?
superior: inguinal ligament medial: medial border of adductor longus lateral: medial border of sartorius roof: fascia lata floor: iliopsoas and pectineus m.
52
where do femoral hernias usually originate?
femoral ring (medial compartment of femoral sheath containing lymphatics and fat)
53
order medial to lateral the contents of the femoral triangle
lymphatics femoral v. femoral a. femoral n.
54
two other names for the adductor canal
subsartorial canal | hunter's canal
55
where is the adductor canal located and to where does it extend?
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
what are the boundaries of the adductor canal
anteriormedial: sartorius lateral: vastus medialis posterior: adductor longus and magnus
57
contents of the adductor canal
femoral a. and v. saphenous n. nerve to vastus medialis
58
when does the femoral n. break up into sensory and motor branches
while still in the femoral triangle
59
what are the sensory branches of the femoral n.? (3)
medial femoral cutaneous n. intermediate femoral cutaeous n. saphenous n.
60
travels through the adductor canal | it leaves the canal at its lower end to innervate the skin of the leg and foot
saphenous n.
61
when does the obturator nerve divide into an anterior and posterior division?
in the obturator foramen | the anterior division is in front of the adductor brevis; the posterior division is behind the adductor brevis
62
what does the anterior division of the obturator n. supply?
adductor longus gracilis adductor brevis part of pectineus
63
what does the posterior diviison of the obturator n. supply?
obturator externus adductor brevis adductor magnus
64
enteres the thigh by passing below the inguinal ligmanet, lateral to the femoral vine
femoral a.
65
what is the femoral a. a continuation of?
external iliac a.
66
what is the obturator a. a continuation of?
internal iliac a.
67
what a. are involved in the cruciate anastomosis?
1st perforating a. medial femoral cicumflex a. lateral femoral circumflex a. inferior gluteal a.
68
what are the boundaries to the popliteal fossa?
inferomedial and inferolateral: gastrocnemius m. superolateral: biceps femoris superomedial: semimebranous tendon floor: popliteal surface of femur and posterior knee ligaments
69
what are the contents of the popliteal fossa?
``` 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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