Medial Compartment (Muscles)

Question 1

Adductor Longus

Answer 1

ORIGIN: front of the pubis

INSERTION: linea aspera

ACTION: adducts, medially rotates thigh

INNERVATION: obturator nerve

Question 2

Adductor Brevis

Answer 2

ORIGIN: superior and inferior ramus of the pubis

INSERTION: medial shaft femur, into the upper linea aspera

ACTION: adducts, medially rotates thigh

INNERVATION: obturator nerve

Question 3

Adductor Magnus

Answer 3

ORIGIN: inferior ramus of pubis

INSERTION: Linea aspera, adductor tubercle, medial condyle of the femur

ACTION: adducts, medially rotates thigh

INNERVATION: obturator nerve

Question 4

Pectineus

Answer 4

ORIGIN: pectineal line

INSERTION: posterior surface of the femur

ACTION: adducts thigh

INNERVATION: femoral nerve

Question 5

Sartorius

Answer 5

ORIGIN: ASIS (anterior superior iliac spine)

INSERTION: superior shaft of tibia

ACTION: Hip: flexion, abduction, external rotation; Knee: flexion, internal rotation

INNERVATION: femoral nerve