Muscles of the Medial Thigh- Superficial Layer

Question 1

Gracilis

Answer 1

origin: pubis
insertion: pes anserius (middle slip) on the medial aspect of the tibia
innervation: obturator n. (L2-L4)
action: adduction of the thigh, knee flexion

Question 2

Pectineus

Answer 2

origin: pubis
insertion: pectineal line of femur
innervation: femoral n. (L2-L4)
action: adduction of thigh, medial rotation of thigh, hip flexion (weak)

Question 3

Adductor Longus

Answer 3

origin: pubis
insertion: linea aspera of femur
innervation: obturator n. (L2-L4)
action: adduction of thigh, medial rotation of thigh, hip flexion (weak)