Muscles - Medial Thigh

Question 1

Medial Thigh muscles

Answer 1

1) Pectineus m
2) Adductor brevis m
3) Adductor longus m
4) Adductor Magnus m
5) Gracilis m.
6) Obturator externus m.

Question 2

Medial Thigh overview (nerve, blood supply, action)

Answer 2

Obturator n.
Anterior branch of Obturator A
Adduct thigh

Question 3

Pectineus m.

Answer 3

O: Superior pubic ramus
I: Pectineal line
A: Adduct thigh, flex thigh

BS: Anterior branch of Obturator A.
N: Femoral N.

Question 4

Adductor Brevis m

Answer 4

Deep to adductor longus m

O: Body of pubis
I: Linea aspera (upper 1/3)
A: Adduct thigh, flex thigh

BS: Anterior branch Obturator A
N: Obturator N.

Question 5

Adductor Longus m.

Answer 5

O: Body of pubis
I: Linea aspera (middle 1/3)
A: Adduct thigh, flex thigh

BS: Anterior Branch Obturator A.
N: Obturator N.

Question 6

Gracilis M.

Answer 6

O: Body of pubis
I: Pes Anserinus
A: Adduct thigh, flex left, medially rotate leg

BS: Anterior Obturator A.
N: Obturator N.

Question 7

Adductor Magnus m.

Answer 7

ADDUCTOR PORTION:
O: Ischiopubic ramus 
I: Gluteal tuberosity (proximal), linea aspera (middle), medial supracondylar line (distal)
A: Adduct and flex thigh
BS: anterior division of obturator A
N: Obturator N

HAMSTRING PORTION:
O: Ischial tuberosity
I: Medial epicondyle of femur
A: Adduct and extend thigh
BS: anterior division of obturator A
N: Tibial Division of Sciatic N.

Question 8

Obturator externus m.

Answer 8

O: External surface of obturator membrane
I: Trochanteric Fossa
A: Lateral Thigh rotation / hold head of femur in acetabulum

BS: Anterior branch obturator A
N: Obturator N.