Posterior Thigh

Question 1

how many muscles in posterior thigh?

Answer 1

4

Question 2

functions of hamstrings?

Answer 2

thigh extension, except for short head of biceps femurs; leg flexion (all four)

Question 3

true hamstrings

Answer 3

act at both hip and knee

Question 4

function of semitendinosus?

Answer 4

extend thigh; and flex leg (med. rotate)

Question 5

innervation of semitendinosus?

Answer 5

tibial division of sciatic n.

Question 6

semitendinosus attachments?

Answer 6

ischial tuberosity, medial surface of superior aspect of tibia

Question 7

muscles that make up pea anserinus?

Answer 7

gracilis, semitendinosus, sartorius

Question 8

function of semimembranosus?

Answer 8

extend thigh, flex leg

Question 9

innervation of semimembranosus?

Answer 9

tibial division of sciatic n.

Question 10

more biomechanically efficient pelvic/hip lever system male or female?

Answer 10

male

Question 11

which small lateral hip rotators is least effective abductor when the thigh is flexed?

Answer 11

uh?

Question 12

what is and where is articulates genu?

Answer 12

uh?

Question 13

attachments of semimembranosus?

Answer 13

ischial tuberosity (flattened membranous proximal attachment), posterior part of medial condyle of tibia; part becomes oblique popliteal ligament (reinforces the intercondylar part of joint capsule)

Question 14

biceps femurs long head function?

Answer 14

flex leg, extend thigh, tibial division of sciatic n.

Question 15

short head of biceps femurs function?

Answer 15

only flexed leg

Question 16

innervation of biceps femoris short head?

Answer 16

common fibular branch of the sciatic

Question 17

popliteal artery terminates by dividing into?

Answer 17

anterior tibial artery and posterior tibial artery

Question 18

the popliteal vein is formed by the union of what veins?

Answer 18

anterior and posterior tibial v.

Question 19

where is the popliteal v normally found?

Answer 19

inferior border of popliteus muscle

Question 20

where does the popliteal v become femoral v?

Answer 20

after transversing adductor hiatus

Question 21

what nerve in popliteal fossa is most superficial (most likely injured in stab injury)?

Answer 21

tibial n.

Question 22

what does the common fibular n. terminate into?

Answer 22

deep fibular n. and superficial fibular n.

Question 23

where does the common fibular nerve run?

Answer 23

winds around head and neck of fibula; leaves popliteal fossa by passing superficial to lateral head of gastrocnemius; deep to fibularis longus

Question 24

what cutaneous nerve does tibial n give off?

Answer 24

medial sural cutaneous

Question 25

what cutaneous n does common fibular n. give off?

Answer 25

lateral sural cutaneous n.

Question 26

what do the sural nerves supply?

Answer 26

distal posterior aspect of leg and lateral aspect of ankle and foot

Question 27

lateral rotation of hip primary action for?

Answer 27

not tensor fascia kata or iliopsoas

Question 28

the cruciate anastomosis receives blood from?

Answer 28

receives blood from first perforating a.

Question 29

**KNOW*which is involved in arterial anastomosis around hip joint?

Answer 29

medial circumflex femoral a.