The Anterior & Medial Thigh II Flashcards Preview

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Flashcards in The Anterior & Medial Thigh II Deck (29):
1

medial compartment of the thigh:

muscles (5)

blood supply (2)

nerve supply (1)

gracilus
adductor longus
adductor brevis
adductor magnus
obturator externus

profunda femoris artery
obturator artery

obturator nerve

2

medial compartment of the thigh:
gracilus:

nerve(s)

action(s)

obturator

adducts femur at hip joint
flexes leg at knee joint

3

medial compartment of the thigh:
adductor longus:

nerve(s)

action(s)

obturator nerve

adducts & flexes femur at hip joint

4

medial compartment of the thigh:
adductor brevis:

nerve(s)

action(s)

obturator nerve

adducts & flexes femur at hip joint

5

medial compartment of the thigh:
adductor magnus:

nerve(s):
- adductor portion
- hamstring portion

action(s)
- adductor portion
- hamstring portion

obturator nerve
tibial division of sciatic nerve

adducts & flexes femur at hip joint
extends femur at hip joint

6

medial compartment of the thigh:
obturator externus:

nerve(s)

action(s)

obturator nerve

laterally rotates femur at hip joint

7

femoral triangle:

borders:
- superior
- lateral
- medial

floor:
- lateral
- medial

inguinal ligament
sartorius
adductor longus

iliopsoas tendon
pectineus, adductor longus

8

femoral triangle:
contents (lateral to medial) (3)

femoral nerve
femoral sheath
deep inguinal lymph nodes

9

femoral sheath:

surrounds ___ vessels & ___ for approximately 2.5cm below the ___ ligament

septa divides sheath into 3 compartments (lateral to medial) (3)

femoral vessels
lymphatics
inguinal ligament

femoral artery
femoral vein
femoral canal

9

femoral sheath:

downward (protrusion/retraction) of ___ fascia enveloping ___ vessels in the ___

protrusion
endoabdominal fascia
iliac vessels
abdomen

10

femoral canal:

small (medial/lateral) compartment

femoral ring:
- (upper/lower) opening of the canal into the __ (1cm diamter)
- closed by ___ connective tissue

medial

- upper, abdomen
- extraperitoneal

11

femoral canal:
contents (3)

fat
all efferent vessels from deep inguinal lymph nodes
one deep inguinal lymph node

12

femoral canal:
boundaries:

anterior

posterior

medial

lateral

inguinal ligament

pectineus muscle & fascia
superior ramus of pubis

lacunar ligament

femoral vein

13

femoral hernia:

protrusion of ___ contents through ___

more common in (females/males) possible due to (narrower/wider) canal structure

inguinal hernia is (above/below) pubic tubercle

abdominal contents
femoral canal

females
wider

above

14

femoral hernia:

femoral hernia is (above/below) & (medial/lateral) to pubic tubercle

___ of femoral passes out femoral canal below the ___ onto the ___

compression of the blood supply of the viscus: ___ hernia

below
lateral

sac
inguinal ligament
thigh

strangulated hernia

15

adductor canal:

narrow ___ tunnel approximately 15cm long, deep to ___ muscle

begins at apex of ___ & ends at ___

fascial tunnel
sartorius muscle

femoral triangle
adductor hiatus

16

adductor canal:
borders:

lateral

posteromedial

anterior

vastus medialis

adductor longus & magnus

sartorius

17

adductor canal:
contents (3)

femoral vessels
saphenous nerve
nerve to vastus medialis

18

adductor canal:

canal ends at ___ (gap in ___ tendon for passage of femoral vessels into the ___ fossa behind the knee)

femoral vessles change their name to ___ vessels as they pass through this

adductor hiatus
adductor magnus tendon
popliteal fossa

popliteal vessels

19

adductor canal:
saphenous nerve:

terminal branch of the ___ nerve

does not pass through the ___ but runs instead between the ___ & ___ muscles

femoral nerve

adductor canal
sartorius
gracilis

20

nerves of the anteromedial thigh & spinal levels (2)

femoral nerve (L2, L3, L4)
obturator nerve (L2, L3, L4)

21

nerves of the anteromedial thigh:
femoral nerve (L2, L3, L4):

enters thigh passing (superficial/deep) to the inguinal ligament & (medial/lateral) to the femoral sheath

breaks up into numerous muscular & cutaneous branches within the ___

the ___ nerve is considered the terminal branch of the femoral nerve

deep
lateral

femoral triangle

saphenous nerve

22

nerves of the anteromedial thigh:
obturator nerve (L2, L3, L4):

divides into ___ & ___ branches within the ___

both branches emerge into the thigh behind the ___ muscle & in front of or through the ___

anterior & posterior
obturator canal

pectineus muscle
obturator externus

23

arteries of the anteromedial thigh (3)

femoral artery
deep femoral artery (profunda femoris)
obturator artery

24

arteries of the anteromedial thigh:
femoral artery:

enters the thigh by passing (in front of / behind) the inguinal ligament as the direct continuation of the ___ artery

here it lies midway b/n the ___ & the ___

behind
external iliac artery

anterior superior iliac spine
symphysis pubis

25

arteries of the anteromedial artery:
deep femoral artery (profunda femoris):

a large & important branch which arises from the (medial/lateral) side of the femoral artery within the ___ approximately 4cm (above/below) the inguinal ligament

passes behind the ___ vessels & enters the (medial/lateral) compartment of the thigh behind the ___ & directly on the surface of the ___

lateral
femoral triangle
below

femoral vessels
medial
adductor longus
adductor magnus

26

arteries of the anteromedial artery:
deep femoral artery (profunda femoris):
branches:

may be direct branch of femoral artery (2)

4 ___ arteries

lateral circumflex femoral artery
medial circumflex femoral artery

perforating

27

arteries of the anteromedial artery:
deep femoral artery (profunda femoris):
four perforating arteries:

pierce tendons of the ___ muscles to enter the (anterior/posterior) compartment of the thigh

the 4th is the direct continuation of the ___

chief blood supply of the (anterior/posterior) compartment of the thigh

adductor
posterior

profunda femoris

anterior

28

arteries of the anteromedial artery:
obturator artery:

relatively (major/minor) role in blood supply to the thigh

minor

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