Anterior and Medial Thigh

Question 1

innervation of quadriceps femurs?

Answer 1

femoral n.

Question 2

functions of quadriceps femoris?

Answer 2

vasti extend leg, rectus extends leg and flexes thigh (assists in flexion of the hip), chief extensors

Question 3

where do the quads insert?

Answer 3

tibial tuberosity

Question 4

primary bursa of the knee?

Answer 4

suprpatellar pouch/bursa

Question 5

attachments of the pectineus?

Answer 5

origin: pecten line of pubis
insertion: pectineal line of femora (inferior to the lesser trochanter)

Question 6

innervation of pectineus?

Answer 6

femoral n (occasionally a branch of the obturator n.)

Question 7

function of pectinous?

Answer 7

adduct and flex thigh

Question 8

secondary function of medial thigh (ADDuctor) muscles?

Answer 8

to flex the thigh, external rotation

Question 9

where to adductors insert?

Answer 9

posterior femur

Question 10

attachments of adductor longs?

Answer 10

body of pubis (inferior to pubic crest)

middle 1/3 of linea aspera

Question 11

innervation of adductor longs?

Answer 11

obturator n.

Question 12

functions of adductor longus?

Answer 12

adducts and flexes thigh

Question 13

what separates adductor magnus portions? what are the portions:

Answer 13

adductor and quadriceps portions; adductor hiatus

Question 14

what is unique about gracilis?

Answer 14

only adductor to cross knee joint

Question 15

attachments of gracilis?

Answer 15

pubis body and inferior ramus

superior part of medial surface of tibia (part of pes anserinus)

Question 16

innervation of gracilis?

Answer 16

obturator n.

Question 17

functions of gracilis?

Answer 17

adduct thigh, flex and medially rotate leg

Question 18

where does adductor brevis lie in relation to pectinous and adductor longs?

Answer 18

deep

Question 19

attachments of adductor brevis?

Answer 19

pubis body and inferior ramus and proximal linea aspera

Question 20

functions of adductor brevis?

Answer 20

adducts and flexes thigh

Question 21

how does groin pull occur?

Answer 21

strain, stretching, and probably some tearing of proximal attachments of thigh adductor/flexor muscles

Question 22

where is obturator externus in relation to pectinous?

Answer 22

deep

Question 23

attachments of obturator externus?

Answer 23

external margins of obturator foramen and trochanteric fossa

Question 24

innervation of obturator externus?

Answer 24

obturator n.

Question 25

origins of adductor magnus?

Answer 25

hamstring part: ischial tuberosity

adductor part: ischiopubic ramus

Question 26

insertions of adductor magnus?

Answer 26

hamstring: adductor tubercle (medial epicondyle)
adductor: gluteal tuberosity, linea aspera, medial supercondylar line

Question 27

innervations of adductor magnus?

Answer 27

adductor: obturator n.
hamstring: tibial division of sciatic n

Question 28

functions of adductor magnus?

Answer 28

adductor: adducts and flexes thigh
hamstring: adducts and extends thigh

Question 29

what is Hilton’s law?

Answer 29

joint is innervated by same nerves that supply the muscles that move the joint and supply the skin over the joint

Question 30

main blood supply to thigh?

Answer 30

deep femoral a.

Question 31

what is the posterior compartment function?

Answer 31

flexion

Question 32

what is the primary innervation of posterior compartment?

Answer 32

sciatic n.

Question 33

what is the primary purpose of anterior compartment?

Answer 33

extension

Question 34

what is the primary innervation of the anterior compartment?

Answer 34

femoral n.

Question 35

primary innervation of medial thigh?

Answer 35

obturator n.

Question 36

what is the primary purpose of the medial thigh?

Answer 36

adduction

Question 37

blood supply to anteriomedial thigh?

Answer 37

profundus femoris

Question 38

what augments profundus femurs?

Answer 38

femoral a. and obturator a.

Question 39

obturator a. primarily supplies

Answer 39

deep adductors