[Muscles] Medial compartment of thigh

Question 1

Gracillis

Answer 1

O: external surface of body of pubis, inferior pubis ramus, ramus of the ischium
Ins: medial surface of proximal shaft of tibia
Inn: obturator N
Bs: obturator A
Action: ADD thigh @ hip jt
Flex leg @ knee jt

Question 2

Pectineus

Answer 2

O: pectineal line, external adjacent bone of pelvis
Ins: linea aspera of posterior femur
Inn: Femorial N 
Bs: Obturator A
Action: ADD/Flex thigh @ hip jt

Question 3

ADDuctor longus

Answer 3

O: external surface of body of pubis 
Ins: linea aspera of middle one-third of shaft of femur
Inn: Obturator N (anterior division)
Bs: Obturator A
Deep femoral A 
Action: ADD/MR thigh @ hip jt

Question 4

ADDuctor Brevis

Answer 4

O: external surface of body of pubis, inferior pubic ramus
Ins: posterior surface of upper 1/3 of linea aspera of femur
Inn: obturator N
Bs: deep femoral A, Obturator A
Action: ADD/ Medially rotates thigh at hip joint

Question 5

ADDuctor Magnus

Answer 5

O: Adductor - ischiopubic ramus
Hamstring - ischial tuberosity 
INS: Adductor - linea aspera, medial supracondylar line of femur
Hamstring - adductor tubercle and supracondylar line of femur
INN: Adductor - obturator N
Hamstring - Sciatic N (tibial division) 
BS: Obturator A
Deep femoral A
Action: Extends leg at knee joint

Question 6

Obturator Externus

Answer 6

O: external surface of obturator membrane
Ins: trochanteric fossa of the femur
Inn: Obturator N (posterior division)
Bs: Obturator A
Action: Laterally rotates thigh at hip joint