The Groin Muscles

Groin Adductor Muscles

Muscle

Origin

Insertion

Action

Innervation

Nerve

Image

pectineus

pecten of pubis

pectineal line of femur

adducts, flexes, and medially rotates thigh

femoral nerve and occasionally anterior division of obturator nerve

none

gracilis

 

pubic symphysis and inferior pubic ramus

medial surface of tibia (via pes anserinus)

adducts thigh, flexes leg, flexes and medially rotates thigh

anterior division of obturator nerve

none

adductor longus)

Front of pubis

Middle third  of the linea aspera of femur

adducts, flexes, and medially rotates femur

anterior division of obturator nerve

Just below the pubic bone on the medial side

adductor brevis

 

Front of pubis

Upper one third of the linea aspera

adducts, flexes, and medially rotates femur

anterior division of obturator nerve

Cannot be palpated

adductor magnus

 

Pubis and ischial tuberosity

Whole length of the linea aspera (posterior of femur)

Adduction of the hip.Rotates outward as the hip adducts

posterior division of obturator nerve and tibial nerve (ischiocondylar part)

Possible posterior medial surface of the thigh

groin stretch