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Anterior and Medial Compartments of The Thigh

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What are the boundaries of the anterior compartment of the thigh
medial and lateral septa attached to the linea aspera
What muscles are found in the anterior compartment of the thigh
Quadriceps femoris, sartorius, pectineus, illiopsoas
What muscles of the quadriceps femoris
rectus femoris, vastus lateralis, vastus medialis, vastus intermedius
What muscles make up illiopsoas
psoas major, and iliacus
The tendons of the quadriceps from what
common quadriceps tendons
The common quadriceps attaches where and becomes what
tibial tuberosity; patella liagment
What is the action of the quadriceps femoris
extends knee joint; the rectus femoris helps flex the knee
What is the origin of the rectus femoris
straight head: AIIS
reflected head: upper brim of acetabulum
What is the origin of the vastus lateralis
lat lip of linea aspera and greater trochanter
what is the origin of the vastus medialis
medial lip of linea aspera and intertrochanteric line
what is the origin of the intermedius
ant and lat surfaces of the shaft of femur
What is the origin and insertion of the sartorius
Origin: ASIS
Insertion: upper medical surface of tibia
What is the action of the sartorius
flexes, ABucts and laterally rotates thigh.
assist in flexing leg
What is the origin and insertion of pectineus
origin: superior ramus of pubis
insertion: pectineal line of femur
what is the action of pectineus
ADducts, flexes and medially rotates thigh
What is the origin and insertion of Psoas major
Origin: T12-L5 vertebral bodies and transverse processes
Insertion: lesser trachter
What is the origin and insertion of iliacus
Origin: iliac fossa and crest
Insertion: lesser trachanter
What is the major flexor of the thigh
iliopsoas
What are the boundaries of the medial compartment of the thigh
posterior and medial muscular septa
medial compartment of the thigh aka
ADductor compartment
What are the muscles found in the medial compartment of the thigh
ADductor longus
ADductor brevis
ADductor magnus
Gracilis
Obturator externus
What is the origin and insertion of Adductor longus
origin: pubis
Insertion: linea apera (medial side)
ADductor longus action
ADducts and weakly flexes thigh
What is the origin and insertion of ADductor brevis
origin: pubis
insertion: linea aspera (medial side)
What are the ADductor brevis action
ADducts thigh
What are the two parts of ADuctor magnus
ADuctor part
Hamstring part
what is the origin and insertion of ADductor part of ADuctor magnus
Origin: ischipubic ramus
Insertion: gluteal tuberosity adn linea aspera
What is the innervation and action of ADductor part of ADuctor magnus
Tibial part of sciatic n
ADducts and weakly flexes thigh
What is the origin and insertion of hamstring part of ADuctor magnus
Origin: ischial tuberosity
insertion: ADductor tubercle of femur
What is the actions and innervation of the hamstring part of ADuctor magnus
tibial part of sciatic n
ADucts and weakly extends thigh
What is the origin and insertion of Gracilis
Origin: pubis
insertion: upper medial surface of tibia immediately posterior to the attachment site of sartorius
What is the Action of gracilis
ADducts thigh
Flexes leg
what is the origin and insertion of teh obturator externus
Origin: external surface of obruator membrane
insertion: its tendon passes post to the neck of the femur and is attached to the trochanteric fossa
what is the action of the Obturaior externus
laterally rotates thigh
What is the innervation of illipsoas
L1 2 3 (psoas maj)
brs of femoral n (iliacus)
Why are both obterator externus and internus lateral rotators of the thigh?
the tendons of both muscles pass posterior to the hip joint
What art the vertebral contributions to the Femoral nerve
L2, 3, 4
What muscles does the femoral nerve supply
quadriceps
pectineus
sartorius
What are the 3 branches of the femoral nerve
Anterior femoral cutaneous branches
Nerve to vastus medialis
spahenous nerve
THe saphenous nerve dives though what with what?
ADductor canal
Femoral artery
When the saphenous nerve reaches the medial aspect of the knee it gives off what
infrapatellar branch
after the spahenous nerve gives of the infrapatellar branch it continues as the
medial crural cutaneous nerve
What are the vertebral contributions of the obturator nerve
L2,3,4
When does teh obturator divide into two divisons
after passing through the obturator foramen
What are the two divisions of the obturator nerve
Anterior and Posterior
Where is the Anterior division of obturator nerve found?
b/w ADductor brevis and ADuctor longus
What muscles does the anteriro division of obturator nerve supply
ADductor brevis and ADuctor longus
Where is the Posterior division of obturator nerve found?
B/W ADductor brevis and ADductor magnus
What muscles does the posterior division of obturator nerve supply
ADductor magnus
What are the nerves of the anterior compartment of the thigh
Femoral Nerve
-ant femoral cutaneous branches
-nerve to vastus medialis
-Saphenous nerve
What are teh nerves of the medial compartment of the thigh
Obturator nerve
-ant division
-post division
What are teh arteries of teh anterior compartment
Femoral artery
What are teh branches of the femoral artery
profund femoris
descending genicular
profunda femoris aka
deep artery of the thigh
What is the largest branch off of femoral artery
profunda femoris
What are the branches off of profunda femoris
Med. femoral circumflex
lat. femoral circumflex
where do the medial femoral circumflex dive
b/w iliopsoas and pectineus
What muscle does the lateral femoral circumflex pass lateral to
rectus femoris
what branches does the lateral femoral circumflex give off
ascending
transverse
descending
When does the decending genicular artery come off the femoral artery
before it passes into the aDductor hiatus
What does the descending genicular artery contribute to
genicular anastomosis around the knee joint
after the femoral artery passes through the ADductor hiatus it enters what compartment and is now called?
posterior compartment
Popliteal artery
What is the artery found in the medial compartment
Profunda femoris artery
the muscular branches of the profunda femoris supply what
muscles in the aDductor compartment
-ADductor longus
-ADductor brevis
-ADductor magnus
-Gracilis
-Obturator externus
What do the perforating branches of the profunda femoris supply
muscles in the posterior compartment
What provides cutaneous innervation to the Anterior compartment
Lateral femoral cutaneous (L2,3)
Ant. femoral cutaneous (brs of femoral n)
What is the longest single vein in the body
Great saphenous V
The great saphenous vein origniates from and drains where
originates: medial end of dorsal venous arch
Drains: femoral vein
The great saphenous vein passes __ to the medial malleious
anterior
The great saphenous vein passes __ to the patella
posterior
Where does the The great saphenous vein drain into the femoral vein
saphenous opening
The saphenous opein is an an opening in what fascia
fascia lata inferior to inguinal ligament
What is the cribriform fascia
lacy membranous subcutaneous facia over the saphenous opening
What is the falciform margin
sharp superior lateral and inferior margrin of the saphenous opening
What is the fascia lata
deep fascia of the thigh
where is the fascia lata proximally attaches
inguinal ligament
What is the illiotibial tract
lateral thickening of fascia lata
What is the boundaries of the femoral triangle
inguinal ligament
ADductor longus
sartorius
what is teh femoral sheath
funnel shaped fascial sleeve extended form transversalis facsia and iliac fascia
What is contained in the lateral compartment of the femoral sheath
femoral artery
What is contained in the intermediate compartment of the femoral sheath
femoral vein
What is contained in the medial compartment of the femoral sheath
lymphatic vessels
-deep inguinal lymph nodes
Loose CT
Medial compartment of the femoral sheath aka
femoral canal
what is a potential site for femoral hernia
femoral canal (medial compartment of femoral sheath)
what is the femoral ring
upper margin of the femoral canal at the level of the inguinal ligament
femoral hernias occurs thorough what opening
femoral ring
Where is the femoral nerve in the femoral sheath?
OUTSIDE THE SHEATH
What is the most lateral structure in the femoral triangle
femoral nerve