The Anterior & Medial Thigh II Flashcards
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
medial compartment of the thigh:
gracilus:
nerve(s)
action(s)
obturator
adducts femur at hip joint
flexes leg at knee joint
medial compartment of the thigh:
adductor longus:
nerve(s)
action(s)
obturator nerve
adducts & flexes femur at hip joint
medial compartment of the thigh:
adductor brevis:
nerve(s)
action(s)
obturator nerve
adducts & flexes femur at hip joint
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
medial compartment of the thigh:
obturator externus:
nerve(s)
action(s)
obturator nerve
laterally rotates femur at hip joint
femoral triangle:
borders:
- superior
- lateral
- medial
floor:
- lateral
- medial
inguinal ligament
sartorius
adductor longus
iliopsoas tendon
pectineus, adductor longus
femoral triangle:
contents (lateral to medial) (3)
femoral nerve
femoral sheath
deep inguinal lymph nodes
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
femoral sheath:
downward (protrusion/retraction) of ___ fascia enveloping ___ vessels in the ___
protrusion
endoabdominal fascia
iliac vessels
abdomen
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
femoral canal:
contents (3)
fat
all efferent vessels from deep inguinal lymph nodes
one deep inguinal lymph node
femoral canal:
boundaries:
anterior
posterior
medial
lateral
inguinal ligament
pectineus muscle & fascia
superior ramus of pubis
lacunar ligament
femoral vein
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
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
adductor canal:
narrow ___ tunnel approximately 15cm long, deep to ___ muscle
begins at apex of ___ & ends at ___
fascial tunnel
sartorius muscle
femoral triangle
adductor hiatus
adductor canal:
borders:
lateral
posteromedial
anterior
vastus medialis
adductor longus & magnus
sartorius
adductor canal:
contents (3)
femoral vessels
saphenous nerve
nerve to vastus medialis
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
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
nerves of the anteromedial thigh & spinal levels (2)
femoral nerve (L2, L3, L4) obturator nerve (L2, L3, L4)
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
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
arteries of the anteromedial thigh (3)
femoral artery
deep femoral artery (profunda femoris)
obturator artery
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
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
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
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
arteries of the anteromedial artery:
obturator artery:
relatively (major/minor) role in blood supply to the thigh
minor
