Medial Thigh Muscles

Gracilis

Gracilis (Cadaver)

Gracilis proximal attachment

External surface of body and inferior ramus of pubis

gracilis distal attachment

pes anserine

gracilis action

Adducts hip

Flexes and internally rotates the knee

gracilis innervation

Obturator nerve (L2, L3)

pectineus

pectineus (cadaver)

pectineus proximal attachment

External surface of superior pubic ramus (pectineal line of pubis)

pectinous distal attachment

pectineal line of femur

pectineus action

adducts and flexes the hip

pectineus innervation

obturator nerve (L3)

femoral nerve (L2, L3)

adductor longus

adductor longus (cadaver)

adductor longus proximal attachment

anterior body of pubis

adductor longus distal attachment

middle 1/3 of medial lip of linea aspera

adductor longus action

adducts the hip

may assist with flexion of hip

adductor longus innervation

Obturator nerve (L2, L3, L4)

adductor brevis

adductor brevis proximal attachment

body and inferior ramus of pubis

adductor brevis distal attachment

proximal 1/3 of medial lip of linea aspera

adductor brevis action

adducts the hip

adductor brevis innervation

Obturator nerve (L2, L3)

adductor Magnus (model)

identify E

adductor Magnus proximal attachment

Inferior ramus of the pubis.

Ramus of ischium and ischial tuberosity.

adductor Magnus distal attachment

- Adductor fibers: Upper 1/4 of linea aspera

- Hamstring fibers: Distal 3/4 of linea aspera, medial supracondylar line, and adductor tubercle

adductor magnus action

adducts the hip, secondarily extends the hip

adductor magnus innervation

Obturator nerve (L2,L3) and tibial division of sciatic nerve (L4)