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

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