topic 17

Question 1

which 5 muscles does the femoral nerve innervate

Answer 1

1 - iliopsoas
2 - psoas minor
3 - quadriceps femoris
4 - sartorius
5 - partly pectineus

Question 2

describe the n. saphena

Answer 2

branch off n. femoralis in the femoral canal, sensory nerve only. ends in rr. cutanei medially of crus, tarsus, metatarsus

crus = femur + tibia/fibula

Question 3

what is the difference btw the saphenus vessels on arteria and vena

Answer 3

a. : a. saphena
v. : v. saphena med + lat

both ex v/a. femoralis

all have cran+caud ramus

Question 4

m. sartorius blood supply

Answer 4

a. circ il supf

Question 5

a. circ. fem. lat supplies which muscles

Answer 5

cranial thigh muscle blood supply (quadriceps)

Question 6

which vessels run with the tibial nerve

Answer 6

v./a. caud fem dist

Question 7

aa. surales

Answer 7

muscular branches found dist to dist fem caud, going caud too (and stifle area)

Question 8

describe the connection btw the superficial and deep venous system in HL

Answer 8

medial saphenus ex femoris and lateral saphenus ex caud fem dist v. both have cr/ca ramus that join

cranial join to make v. dorsalis pedis(sometimes absent) -> dorsal common digital veins

caudal join at tuber calcanei forming the plantat common digital vein

Question 9

what are the prox, cranial and caudal borders of canalis femorialis

Answer 9

cranial: caudal margin of caudal part of sartorius
caudal: cranial margin of pectineus
prox: lig. inguinale

Question 10

what are the lateral borders of the femoral canal, and what limits the depth of the canal

Answer 10

depth: iliopsoas and vastus mediale

lateral cran: adductor
lateral caud: gracilis

Question 11

what sorrund the ln. popliteus

Answer 11

lies in the center prox on gastrocnemius, with semitendinosus on the medial side, and m. biceps on the lateral side

v. saphena lateralis is found going out from this lymphnode in a dist->cran direction

Question 12

name the 6 medial muscles of the thigh

Answer 12

1 - sartorius
2 - pectineus
3 - gracilis
4 - adductor
5 - vastus medialis
6 - semimembranosus

Question 13

give the branches of a. femoralis in prox -> dist order

Answer 13

1. a. circ. il. supf
2. a. circ fem lat
3. a. caud fem prox
4. a. genus descendens
   5/6. a. caud fem medii and a. saphena oppositely
5. a. caud fem dist

Question 14

blood supply of m. biceps femoris

Answer 14

a. gluteus caudalis ex iliaca interna

a. caud fem prox/medii/dist

Question 15

semimembranosus blood supply

Answer 15

a. caud fem medii –> must transect semimembranosus to see the caud fem dist with the lateral saphenus vein!

do in exam, when tracing femoral artery, dont need to do with vein just show to explain supf venous system comp to the arteries

Question 16

nerves in the femoral channel

Answer 16

dont need to show femoral, only sephanus ex femoral. goes in a caud->cran direction superficially

sensory nerve only!! rr. cutaneus