Etc. MSK Exam 2

Question 1

Femoral sheath encloses:

Answer 1

A, V, E/L.
Allows femoral vessels to move smoothly.
Ends approx. 4-10 cm distal to inguinal L.
Inferior prolongation of transversalis fascia.

Question 2

Femoral canal contains:

Answer 2

Only E/L.

Allows femoral V. to expand during time of venous return.

Question 3

Femoral N. is the largest branch of the:

Answer 3

Lumbar plexus

Question 4

Gives off ________ cutaneous branches;

Answer 4

Intermediate, medial, and lateral cutaneous Ns, and saphenous N.

Question 5

Adductor canal

Answer 5

Intermusclar passage/fascial tunnel that enclose femoral vessels.
Begins at apex of femoral triangle and ends at adductor hiatus.

Question 6

Adductor hiatus

Answer 6

Opening in tednon of adductor magnus m. that allows femoral vessels to move posteriorly.

Question 7

Inferiorly in the thigh, femoral A. gives rise to:

Answer 7

Descending genicular A., which has an articular branch and a saphenous branch.

Question 8

MCFA passes:

Answer 8

Between iliopsoas m. and pectineus m, to reach posterior thigh.

Question 9

LCFA passes:

Answer 9

Laterally and deep to sartorius m. and rectus femoris m.

Question 10

Gracilis m. is the only:

Answer 10

Adductor to cross the knee joint.

Question 11

Medial intermuscular septa separates:

Answer 11

The medial and anterior compartments.

Question 12

Lateral intermuscular septa separates:

Answer 12

The anterior and posterior compartments.

Question 13

Exit the greater sciatic foramen (5):

Answer 13

Neurovascular bundles
Piriformis m.
Sciatic N.
Posterior femoral cutaneous N.
P, I, N structures.

Question 14

Exit the lesser sciatic foramen (1):

Answer 14

Obturator internus m.

Question 15

Enter the lesser sciatic foramen (1):

Answer 15

P, I, N structures.

Question 16

Superior and middle cluneal Ns

Answer 16

Lateral branches of dorsal rami.
Supplies superior 2/3 of dorsal thigh, sacrum and adjacent area.
L1-L3 and S1-S3 dorsal rami.

Question 17

Inferior cluneal N

Answer 17

Supplies inferior 1/3 of dorsal thigh.

S1-S3 ventral rami.

Question 18

Superior gluteal N

Answer 18

Leaves pelvis superior to piriformis m. w/ superior gluteal a.
Runs between gluteus medius m. and gluteus minimus m.

Question 19

Inferior gluteal N

Answer 19

Leaves inferior to piriformis m. with inferior gluteal a. alongside sciatic n.

Question 20

N to quadratus femoris m.

Answer 20

Goes to quadratus femoris m. and inferior gemellus m.

Question 21

N to obturator internus m.

Answer 21

Goes to obturator internus m. and superior gemellus m.

Question 22

Pudendal n. is:

Answer 22

Anterior division of S2-S4 ventral rami.

Supplies perineal structures.

Question 23

Branches from internal iliac a. (3):

Answer 23

Superior gluteal a.
Inferior gluteal a.
Internal pudendal a.

Question 24

Participates in cruciate anastomosis of thigh (4):

Answer 24

MCFA
Transverse branch of LCFA.
1st perforating a.
Inferior gluteal a.

Question 25

IT tract

Answer 25

Runs from iliac tubercle to lateral tibial condyle.

Fxns: decellerating adduction of thigh, stabilize knee, extend leg, pulls patella laterally.

Question 26

Triceps coxae

Answer 26

Superior and inferior gemellus ms.

Obturator internus m.

Question 27

Bursae of gluteal region (3)

Answer 27

Ischial bursa
Trochanteric bursa
Gluteofemoral bursa

Question 28

All TRUE hamstring ms. originate at and innervated by:

Answer 28

Ischial tuberosity and tibial division of sciatic n. (minus small head biceps femoris m.).

Question 29

Semimembranosus m’s distal tendon divides into 2 parts which go to:

Answer 29

Medial tibial condyle

Becomes oblique popliteal l.

Question 30

Boundaries of popliteal fossa (4)

Answer 30

Superomedially - semi ms.
Superolaterally - biceps femoris m.
Inferolaterally - lat. head of gastrocnemius m.
Inferomedially - medial head of gastrocnemius m.

Question 31

Popliteal fossa contains (superficial to deep)

Answer 31

N
V w/ lymph
A

Question 32

Participate in genicular anastomosis (9)

Answer 32

write out

Question 33

Popliteal a. becomes:

Answer 33

Anterior and posterior tibial as.

Posterior tibial a. gives branch to fibular a.

Question 34

Popliteal v. is formed by:

Answer 34

Union of anterior and posterior tibial vs.

Small saphenous v. empties into the popliteal v.