Ant Thigh Compartment

Question 1

l1 dermatome

Answer 1

above genetalia to slightly below inguinal lig

Question 2

L2 dermatome

Answer 2

top 2/3 of lateral thigh converging to a single point just under end of L1 dermatome

Question 3

L3 dermatome

Answer 3

bottom 2/3 of medial thigh to slightly below medial and lateral knee

Question 4

L4 dermatome

Answer 4

medial side of tibia just below the knee including medial maleolus

Question 5

L5 dermatome

Answer 5

lateral side of tibia just below knee including medial 3 toes

Question 6

S1 dermatome

Answer 6

above lateral maleolus to lateral 2 toes

Question 7

Lat femoral nerve ant (level/path)

Answer 7

L2,3

superficial 10cm below inguinal lig
supplies skin anterolateral as far as knee

Question 8

Lat femoral nerve post (level/path)

Answer 8

L2,3

peirces fascia lata
inverates skin from greater trochanter to middle of posteolateral thigh

Question 9

Ant femoral intermediqte (level/path)

Answer 9

L2,3,4

supplies skin of ant thigh as low as front of knee (contributes to pattelar plexus)

Question 10

Ant femoral medial (level/path)

Answer 10

L2,3,4

passes obliquely across upper thigh following sartorius supplying skin of the lower 2/3 of anteriomedial thigh

Question 11

ant division of obturator (level/ path)

Answer 11

L2,3,4

innervates skin of middle third of thigh as low as knee region

Question 12

Lat cutaneous of subcostal (level/ path)

Answer 12

T12

Inn skin over ant 1/3 of iliac crest and superiolateral gluteal region

Question 13

Lat cutaneous nerve of iliohypogastric (level/path)

Answer 13

L1

Inn skin over ant 1/3 of iliac crest and superiolateral gluteal region

Question 14

Femoral branch of genitofemoral (level/ path)

Answer 14

L1,2

Passes post ingional lig
supplies skin withing lat 1/2 of femoral triangle

Question 15

Inguinal nerve (level/ path)

Answer 15

L1

Exits inguinal canal via superficial inguinal ring
supplies skin withing medial 1/2 of femoral tri

Question 16

in between the two sheats of the fascia lata these 3 things path (from med to lat)

Answer 16

deep inguinal lymphatic node
femoral vein
femoral artery

Question 17

where does the femoral nerve pass in respect to the femoral sheath

Answer 17

deep to internal sheet

Question 18

what is the femoral sheath formed by (2 things)

Answer 18

prolongation of transversalis fascia and iliopsoas fascia

Question 19

what perforates the femoral sheath to run ant to it

Answer 19

long saphenous vein

Question 20

what is the long saphenous vein a continuation of

Answer 20

medial marginal vein + dorsal vein of great toe

Question 21

what are the perforating veins of the leg

Answer 21

connection bw the superficial and deep veins

blood flows from superficial to deep

Question 22

what causes varicose veins

Answer 22

when the valves are weak or inflamed the vein will dilate and blood flows backwards

Question 23

if someone has lateral femoral cutaneous neuropathy where could you palpate to induce pain

Answer 23

Medial to ASIS along path of the lat cutaneous nerve