Muscles of the medial compartment of thigh

Question 1

Gracilis

Answer 1

O: Pubis + pubic ramus + ramus of the ischium
INS: proximal shaft of tibia
INN: Obturator nerve
FUN: Adduction of thigh at hip joint + flexion of leg at knee joint

Question 2

pectineus

Answer 2

O: Pecten of the pubis
INS: pectineal line of the femur
INN: obturator and femoral nerve
FUN: Adduction and Flexion of thigh at hip joint

Question 3

Adductor longus

Answer 3

O: Pubis between the pubic tubercle and the pubic symphysis
INN: middle third of the medial lip of the linea aspera
INS: obturator nerve (anterior branch)
FUN: Adduction and medial rotation of thigh

Question 4

Adductor brevis

Answer 4

O: External surface of pubis and inferior pubic ramus
INS: proximal femur + upper third of linea aspera
INN: Obturator nerve
FUN: adduction and medial rotation of thigh at hip joint

Question 5

adductor magnus

Answer 5

O: ischiopubic ramus
INS: medial lip of the linea aspera + adductor tubercle on the medial epicondyle
INN: Obturator and sciatic nerve
FUN: adduction and medial rotation of thigh at hip joint

Question 6

Obturator externus

Answer 6

O: external surface of obturator membrane
INS: trochanteric fossa
INN: Obturator nerve (posterior branch)
FUN: lateral rotation of thigh at hip joint