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Anatomy Block 4 > Anteromedial Thigh > Flashcards

Anteromedial Thigh Flashcards

1
Q

What is the origin and insertion of the Pectineus muscle?

A

Origin: Superior pubic ramus

Insertion: Pectineal line of the femur

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2
Q

What is the action of the Pectineus muscle?

A

Adducts and flexes the thigh

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3
Q

What is the innervation of the Pectineus muscle?

A 
Femoral nerve (L2-L4)
Obturator nerve (L2-L4) (anterior branch)
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4
Q

What is the origin and insertion of the Iliopsoas muscle?

A

Origin:
Iliacus: Iliac fossa
Psoas major: sides of lumbar vertebrae

Insertion: common insertion on the lesser trochanter of femur

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5
Q

What is the action of the Iliopsoas muscle?

A

The major flexor of the thigh

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6
Q

What is the innervation of the Iliopsoas muscle?

A

Iliacus: Femoral (L2-L4)

Psaos major: anterior rami L1-L2

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7
Q

What is the origin and insertion of the Sartorius muscle?

A

Origin: Anterior superior iliac spine

Insertion: medial surface of tibia, distal to the tuberosity

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8
Q

What is the action of the Sartorius muscle?

A

Abducts, Flexes and laterally rotates thigh

Also flexes the leg

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9
Q

What is the innervation of the Sartorius muscle?

A

Femoral (L2-L4)

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10
Q

What is the origin and insertion of the rectus femoris muscle?

A

Origin: anterior inferior iliac spine

Insertion: Quadriceps tendon inserting on patella

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11
Q

What is the action of the rectus femoris muscle?

A

Part of major extensor of the leg

Also flexes the thigh

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12
Q

What is the innervation of the rectus femoris muscle?

A

Femoral (L2-L4)

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13
Q

What is the origin and insertion of the Vastus lateralis muscle?

A

Origin: Lateral lip of the linea aspera

Insertion: Quadriceps tendon inserting on patella

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14
Q

What is the action of the Vastus lateralis muscle?

A

Part of major extensor of the leg

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15
Q

What is the innervation of the Vastus lateralis muscle?

A

Femoral (L2-L4)

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16
Q

What is the origin and insertion of the Vastus medialis muscle?

A

Origin: Medial lip of the linea aspera

Insertion: Quadriceps tendon inserting on patella

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17
Q

What is the action of the Vastus medialis muscle?

A

Part of Major extensor of the leg

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18
Q

What is the innervation of the Vastus medialis muscle?

A

Femoral (L2-L4)

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19
Q

What is the origin and insertion of the Vastus Intermedius muscle?

A

Origin: Anterolaterala surface of femoral shaft

Insertion: Quadriceps tendon inserting on patella

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20
Q

What is the action of the Vastus Intermedius muscle?

A

Part of Major extensor of the leg

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21
Q

What is the innervation of the Vastus Intermedius muscle?

A

Femoral (L2-L4)

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22
Q

What is the origin and insertion of the Gracilis muscle?

A

Origin: Inferior pubic ramus

Insertion: medial surface of the tibia distal to tuberosity

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23
Q

What is the action of the Gracilis muscle?

A

adducts thigh
Flexes knee
Assists medial rotation of thigh

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24
Q

What is the innervation of the Gracilis muscle?

A 
Obturator nerve (L2-L4)
Anterior Branch
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25
What is the origin and insertion of the Adductor longus muscle?
Origin: pubic body Insertion: middle part of linea aspera
26
What is the action of the Adductor longus muscle?
adducts and flexes thigh
27
What is the innervation of the Adductor longus muscle?
``` Obturator nerve (L2-L4) Anterior Branch ```
28
What is the origin and insertion of the Adductor brevis muscle?
Origin: inferior pubic ramus Insertion: proximal linea aspera
29
What is the action of the Adductor brevis muscle?
adducts and flexes thigh
30
What is the innervation of the Adductor brevis muscle?
``` Obturator nerve (L2-L4) Anterior Branch ```
31
What is the origin and insertion of the Adductor magnus muscle?
Origin: Ischiopubic ramus and Ischial tuberosity Insertion: Sup Horiz fibers: linea aspera Inf Vert fibers : adductor tubercle of femur
32
What is the action of the Adductor magnus muscle?
Sup Horiz fibers: (adductor part) Adducts the thigh assists in flexion of the thigh Inf Vert fibers: (hamstring part) Adducts the thigh extends the thigh
33
What is the innervation of the Adductor magnus muscle?
Sup Horiz fibers: Obturator (L2-L4) Posterior branch ``` Inf Vert fibers: Tibial Nerve (L4,5 & S 1,2,3) ```
34
What is the origin and insertion of the Obturator externus muscle?
Origin: Obturator membrane and external margins of the obturator foramen Insertion: greater trochanter of the femur
35
What is the action of the Obturator externus muscle?
Lateral rotator of the thigh
36
What is the innervation of the Obturator externus muscle?
``` obturator nerve (L2-L4) Posterior branch ```
37
What is the continuation of the quadriceps tendon and where does it insert?
Patellar ligament (tendon) Inserts: tibial tuberosity
38
What forms the adductor hiatus
the dual insertion of adductor magnus into the linea aspera and adductor tubercle
39
What forms the adductor hiatus
the dual insertion of adductor magnus into the linea aspera and adductor tubercle
40
What bounds the femoral triangle (3)
inguinal ligament sartorius adductor longus
41
What forms the floor of the Femoral triangle
Pectineus and iliopsoas
42
What forms the roof of the Femoral triangle
Fascia Lata
43
What is contained in the Femoral trianlgle (5)
``` Femoral artery Femoral vein Femoral nerve Femoral branch of Genitofemoral Lymphatics ```
44
How do things within the femoral triangle enter or leave
pass deep to inguinal ligament
45
What is contained within the femoral sheath
Femoral artery and vein Lymphatics NOT the femoral nerve
46
What is the femoral sheath an extension of
cone shaped extension of extraperitoneal areolar tissue
47
What is the medial compartment of the femoral sheath
femoral canal
48
What is the proximal opening to the femoral canal called
Femoral ring
49
What is the order of structures passing under the inguinal ligament from lateral to medial
``` NAVL Nerve Artery Vein Lymphatics ```
50
Where does the adductor canal begin
apex of the femoral triangle
51
What makes up the posteromedial wall of the adductor canal
Adductor longus | Adductor magnus
52
What forms the anterior wall of the adductor canal
Sartorius
53
What forms the lateral wall of the adductor canal
Vastus medialis
54
What is contained within the adductor canal (4)
Femoral artery Femoral vein Saphenous nerve (cutaneous branch of the femoral nerve distal to knee) Nerve to vastus medialis
55
Where is the termination of the adductor canal and what passes out from the canal
adductor haitus poserior to area of knee Femoral artery and vein
56
What is the name of the vessels as they pass out of the adductor canal
From Femoral artery and vein to Popliteal artery and vein
57
What supplies the skin over the anterior and medial thigh
Medial and intermediate cutaneous branches of femoral nerve
58
Where does the lateral femoral cutaneous nerve enter the thigh and what does it supply?
enters thigh near the ASIS and supplies adjacent areas
59
What supplies the immediately inferior to the inguinal ligament
ilioinguinal and femoral branch of genitofemoral
60
What innervates the skin of the medal thigh
obturator
61
What are the motor nerves of the anteromedial thigh
obturator and femoral nerves
62
What are the main arteries which supply the anteromedial thigh
femoral and obturator arteries
63
What is the femoral artery a branch/continuation of?
Continuation of the external iliac artery after it passes deep to inguinal ligament
64
What is the main branch of the Femoral artery and where does it arise/run?
Profunda femoris passes between adductor longus and pectineus to run along femur
65
What are the named branches of the profunda femoris (3{6})
lateral femoral circumflex medial femoral cirumflex 4 perforating arteries
66
What do the circumflex branches of the femoral supply
muscles of the thigh and the proximal end of the femur
67
What supplies most of the blood to the femoral head and neck
Medial femoral circumflex (makes it very important)
68
What do the perforating branches of the femoral artery provide for?
major blood supply to posterior compartment
69
What does the obturator artery arise from and what is its path
arises from internal illiac in pelvis and passes through obturator foramen to enter thigh
70
What does the obturator artery supply?
Muscles of the medial compartment and the hip joint (particularly head of femur)
71
What is the major vein of the anteromedial thigh
Great saphenous vein
72
What is the path of the great sapheous vein
- begins on dorsum of foot - passes superoanteriorly to medial malleolus - medial to patella - wraps around from medial side to anterior as it ascends - enters thigh through fascia lata in femoral triangle
73
What is the opening though which the great saphenous vein enters the thigh?
Saphenous hiatus in the fascia lata
74
What other veins drain the anteromedial thigh (not great saphenous)
accessory saphenous superficial epigastric superficial circumflex iliac external pudednals
75
Where are lymph nodes in the thigh mainly found
inguinal region
76
What are the two groups of superfical inguinal lymph nodes
superior horziontal group | inferior vertical group
77
Where are the superior horziontal group of superfical inguinal lymph nodes found and what do they drain?
inferior and adjacent to inguinal ligament - drainage from perineum - external genital structures - distal vagina - distal anal canal - anterior abdominal wall below umbilicus - gluteal region
78
Where are the inferior vertical group of superfical inguinal lymph nodes found and what do they drain?
along termination of great saphenous Almost all lower limb drainage
79
Where do the deep inguinal nodes lie and what do they recieve
Lie deep to fascia latae receive drainage of all superficial nodes

Anatomy Block 4 (16 decks)

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