Lower Extremities Flashcards
(43 cards)
The pelvis is formed by what 3 components?
-2 hip bones (3 fused bones) and midline sacrum (5 fused bones)
The hip bone is comprised of what 3 bones?
- ilium
- ischium
- pubis
Where do the 3 bones that make up the hip bone unite?
acetabulum
What comprises the sacroiliac joints?
sacrum articulate with ilium of right and left hip bones
What are the 2 knee joints?
tibiofemoral joint and patellofemoral joint
Where is the talocrural joint found?
ankle
The internal iliac artery splits into what 3 arterial supplies for the lower extremity?
- superior and inferior gluteal arteries
- obturator artery
What does the external iliac artery descend into?
femoral artery
What is the function of the perforating veins?
shunt blood from superficial to deep veins
Where do the nerves of the lower extremity come from?
lumbar and sacral plexus
Superficial fascia is located between which two layers?
skin and deep fascia
What are the contents of superficial fascia?
fat, cutaneous nerves, superficial veins
Which vein is the largest superficial vein in the lower extremity?
great saphenous vein
What is the term for deep fascia in the thigh?
fascia lata
What is the iliotibial band/tract? (ITB)
thickening of the fascia lata
What is the largest compartment of the thigh?
anterior
What is the main source of innervation for the anterior thigh compartment?
femoral nerve
Which muscles are the strongest hip flexors?
iliopsoas (psoas major and iliacus)
Femoral nerve enters LE by passing through which ligament?
pass deep to the inguinal ligament
What is the main source of innervation for the medial compartment of the thigh?
obturator nerve
Which is the largest adductor muscle?
adductor magnus
Where does the obturator nerve pass through?
obturator canal
What is the main source of innervation for the posterior compartment of the thigh?
tibial nerve
The sciatic nerve gives rise to which 2 nerves?
- tibial nerve
- common fibular nerve
