Advanced Anatomy - Lower Limb: Thigh

IT band

• lateral thickening of the fascia lata, or deep fascia of the thigh

• attaches proximally to the iliac tubercle and distally to Gerdy’s tubercle

iliotibial band

What does IT band stand for?

lateral intermuscular septum

medial intermuscular septum

saphenous opening

femoral triangle

inguinal ligament

superior border of femoral triangle

lateral border of femoral triangle

medial border of femoral triangle

floor of the femoral triangle

contents of the femoral triangle

femoral artery 

femoral vein

femoral nerve

fascia lata

• a membranous stocking that envelopes the thigh

• extensive and complicated

adductor canal

subsartorial canal

What is another name for the adductor canal?

vastus medialis

lateral border of the adductor canal

sartorius

anterior border of the adductor canal

• adductor longus

• adductor magnus

medial border of the adductor canal

adductor hiatus

Where does the adductor canal end?

contents of the adductor canal

saphenous nerve

anterior compartment of thigh

• iliacus

• psoas major

• sartorius

• vastus lateralis

• vastus medialis

• vastus intermedius

• rectus femoris

• pectineus

• tensor fascia latae

Name the 9 muscles of the anterior compartment of the thigh

iliacus

psoas major

sartorius

• vastus lateralis

• vastus medialis

• vastus intermedius

• rectus femoris

Name the 4 muscles that make up the quadriceps femoris group

vastus lateralis

vastus medialis

vastus intermedius

rectus femoris 

pectineus

tensor fascia latae

femoral artery

profunda femoris

deep artery of thigh

What is another name for the profunda femoris artery?

lateral circumflex femoral artery

medial circumflex femoral artery

femoral vein

great saphenous vein

• pectineus

• adductor longus

• adductor brevis

• adductor magnus 

• gracilis 

• obturator externus

Name the muscles of the medial compartment of thigh

medial compartment of thigh

adductor longus

adductor brevis

adductor magnus

gracilis

obturator externus

posterior compartment of thigh

• biceps femoris (long head and short head)

• semitendinosus

• semimembranosus

Name the muscles of the posterior compartment of the thigh

biceps femoris

semitendinosus

semimembranosus

hip joint capsule

ligamentum teres

ligament of head of femur

iliofemoral ligament

Y ligament of Bigelow

pubofemoral ligament

transverse acetabular ligament

inferior to anterior iliac crest and anterior to greater trochanter

The lateral cutaneous branch of subcostal nerve supplies skin…

lateral femoral triangle and genital region

The genitofemoral nerve supplies skin over…

anterior and lateral aspects of thigh

The lateral femoral cutaneous nerve supplies skin on…

medial femoral triangle

The ilioinguinal nerve supplies skin of…

middle part of medial thigh

The obturator nerve supplies skin of…

anterior and medial aspects of the thigh

The anterior cutaneous branches of the femoral nerve supplies skin of…

L1 dermatome

inguinal region

L2-L3 dermatome

anterior thigh

L3 dermatome

• distal anterior thigh

• anterior and medial knee

posterior femoral cutaneous nerve (anterior and posterior divisions, S1-S3)

posterior thigh, popliteal fossa, inferior part of buttocks, and perineum

The posterior femoral cutaneous nerve supplies skin of…

greater sciatic foramen, inferior to piriformis

Through what space does posterior femoral cutaneous nerve enter the gluteal region?

sciatic nerve