Medial Compartment of the Thigh

Question 1

gracilis attachments + what look like

Answer 1

inferior pubic rams below pubic symphysis

medial border of tibial tuberosity
(with tendons of sartorious and the semitendinosus)

long and thin

Question 2

gracilis innervation

Answer 2

obtruator nerve

l2,3

Question 3

gracilis actions

Answer 3

adduct and flex femur at hip joint

internally rotate leg at knee joint

Question 4

pectineus attachments

Answer 4

pectin pubis

pectineal line and proximal line

Question 5

pectineus ninnervation

Answer 5

femoral nerve and obtrutar nerve

l2-3

Question 6

pectineus actions

Answer 6

adduct, externally rotate, and slightly flex femur at hip

stabilize pelvis in coronal and sagittal planes

Question 7

adductor longus attachments

Answer 7

superior pubic rammus
and anterior side of pubic symphysis

medial lip of line aspera in middle third of femur

Question 8

adductor longus innervation

Answer 8

obtrutar nerv

l2-4

Question 9

adductor longus actions

Answer 9

adduct and flex femur at hip to 70 degrees
-past 80 degrees adductor longs extends femur at hip joint

stabilize pelvis in coronal and saggittal planes

Question 10

adductor magnus attachments

Answer 10

inferior pubic ramus
ischial tuberoisty
ischial ramus

deep part-medial lip of line aspera of femur

superficial part-adductor tubercle of femur

Question 11

adductor magnus innervation

Answer 11

deep-obturator l2-4

superficial-tibial l4

Question 12

adductor magnus actions

Answer 12

adduct, extend, and slightly flex femur at hip joint

stabilize pelvis in coronal and sagittal plane

tendon active during internal rotati

Question 13

subscap vs supraspin vs infraspin vs teres major/minor actions lol

Answer 13

subscap=internal rotation and extension

supra=abduction of arm

infra=extrnal rotation of arm

minor-external rotate and adduction

major internal rotation, adduction, extension of arm

Question 14

where is adductor brevis muscle

Answer 14

deep to adductor longus

Question 15

adductor brevis attachments

Answer 15

inferior pubic ramus

medial lip of line aspera in middle third of femur

Question 16

adductor brevis innervation

Answer 16

obturator nerve l2,3

Question 17

aductor brevis actions

Answer 17

adduct and flex femur when up to 70 degrees

stabilizes pelvis in coronal and sagittal planes

past 80 degrees of flexion, adductor braves acts to externd femur at hip jint

Question 18

where is obturator externus

what does it do

Answer 18

deep to pectineus

covers external aspect of obturator foramen

Question 19

what does obturator nerve do

where does it pass

where is anterior branch

Answer 19

innervates muscles of medial compartment

passes from pelvis to medial aspect of thigh via obturator canal
-goes under adductor longus

on anterior surface of adductor brevis muscle