Medial Thigh: Adductors

Adductor Longus Origin

Pubis body (inferior to pubic crest)

Adductor Longus Insertion

middle 1/3 of linea aspera

Adductor Longus Innervation

Anterior obturator nerve (L2-4)

Adductor Longus Action

adducts thigh

Adductor Brevis Origin

inferior ramus of pubis

Adductor Brevis Insertion

pectineal line & proximal linea aspera

Adductor Brevis Innervation

Anterior Obturator N (L2-4)

Adductor Brevis Action

adducts thigh, hip flexion (a little)

Adductor Magnus Origin

Adductor: inferior ramus of pubis, ramus of ischium

Hamstring: ischial tuberosity

Adductor Magnus Insertion

Adductor: gluteal tuberosity, linea aspera, medial supracondylar line

Hamstring: adductor tubercle of femur

Adductor Magnus Innervation

Posterior Obturator N (L2-4) and Tibial N (L4-S3)

Adductor Magnus Action

Adductor: flex thigh

Hamstring: extends thigh

Both: adduct thigh

Gracilis Origin (only one to cross knee joint)

Body and inferior ramus of pubis

Gracilis Insertion

Superior medial tibia

Gracilis Innervation

Anterior obturator nerve (L2-4)

Gracilis Action

Adducts thigh, aids in flexion, and IR at knee

Obturator Externus Origin

Margins of obturator foramen and membrane

Obturator Externus Insertion

trochanteric fossa of femur

Obturator Externus Innervation

obturator N (L2-4)

Obturator Externus Action

ER of thigh