LOWER LIMB 2: NEUROVASC

Question 1

What are the 2 divisions of sciatic nerve?

Answer 1

TIBIAL N.

COMMON FIBULAR N. => DEEP FIBULAR & CUTANEOUS BRANCHES OF SUPERFICIAL FIBULAR N.

Question 2

What are the 2 divisionsof the popliteal. artery?

Answer 2

POSTERIOR TIBIAL ART.

FIBULAR ART.

Question 3

What would indicate damage to the deep fibular n?

Answer 3

Inability to
DORSIFLEX
TOE EXT.
FOOT INVERSION

Question 4

What nerve innervates the lateral compartment of the lower leg?

Answer 4

Superficial fibular n. (L5, S1)

Question 5

What pulses can be felt in and around the foot areaa and where does it arise from?

Answer 5

DORSALIS PEDIS (ant. tibial artery)

POSTERIOR TIBIAL PULSE (

Question 6

What is the popliteal artery a continuation from (and where?)

Answer 6

FEMORAL ART. CONTINUATION emerging from ADDUCTOR HIATUS

Question 7

Order of popliteal neurovasc. superior to deepest

Answer 7

NERVE
VEIN
ARTERY

Question 8

What passes alongside the posterior muscles of the leg into. the foot via flexor retinaculum

Answer 8

Tibialis (post.)
Digitorum Long. (flex.)
Posterior tibial art.
Tibial N.
Hallucis Long. (flex.)

FLEXOR RETINACULUM

Question 9

Which nerve innervates the posterior compartment of the leg (calf)?

Answer 9

Tibial N. (S1, S2)

Question 10

Which branch of the poopliteal art. supplies post. compartment of leg?

Answer 10

Posterior tibial art.

Question 11

Plantar neurovasc of the foot

Answer 11

COMMON PLANTAR NERVE & artery (medial)

LATERAL PLANTAR NERVE AND ARTERY (lateral and swoops around from medial)

Question 12

What are the nerve roots of the deep fibular n?

Answer 12

anterior rami (divisions) of spinal roots L4-S1

Question 13

Listed below are the muscles of the anterior leg. Which produces eversion at the subtalar joint?

Tibialis anterior

Extensor hallucis longus

Extensor digitorum longus

Fibularis tertius

Answer 13

Fibularis tertius

*The fibularis tertius muscles arises from the most inferior part of the extensor digitorum longus.