Medial Thigh

Question 1

Pectineus

Answer 1

Origin: Superior pubic ramus

Insertion: pectineal line of femur

Action: Hip adduction, flexion

Innervation: Femoral & obturator nerves (L2-4)

Question 2

Adductor Longus

Answer 2

Origin: body of pubis

Insertion: Middle 1/3 linea aspera of femur

Action: Hip adduction, flexion

Innervation: Obturator nerve (L2-4)

Question 3

Adductor Brevis

Answer 3

Origin: Inferior pubic ramus

Insertion: Upper 1/3 linea aspera of femur

Action: Hip adduction, flexion

Innervation: Obturator nerve (L2-4)

Question 4

Adductor Magnus

Answer 4

Origin: Ischiopubic ramus (adductor part) and ischial tuberosity (hamstring part)

Insertion:
Add - Linea aspera, medial supracondylar line
Ham - Adductor tubercle, medial supracondylar line

Action: Hip adduction &
Add - flexion, medial rotation
Ham - extension, lateral rotation

Innervation: Obturator nerve (L2-4)

Question 5

Gracilis

Answer 5

Origin: Body of pubis, ischiopubic ramus

Insertion: Anteromedial proximal tibia

Action: Hip adduction, flexion, knee flexion, medial rotation

Innervation: Obturator nerve (L2, L3)