Lower Extremity Origins and Insertions

Question 1

Gluteus medius

Answer 1

Origin: External surface of ilium between anterior and posterior gluteal lines

Insertion: lateral surface of greater trochanter of femur

Question 2

gluteus minimus

Answer 2

Origin: External surface of ilium between anterior and inferior gluteal lines

Insertion: Anterior surface of greater trochanter of femur

Question 3

gluteus maximus

Answer 3

origin: posterior to posterior gluteal line

insertion: gluteal tuberosity and Gerdy’s tubercle of tibia

Question 4

tensor facial latae

Answer 4

origin: iliac crest between ASIS and iliac tubercle of hip bone

insertion: Gerdy’s tubercle (anterolateral tubercle of tibia)

Question 5

Iliopsoas

Answer 5

Origin: Iliac fossa

Insertion: lesser trochanter of femur

Question 6

Sartorius

Answer 6

Origin: ASIS

Insertion: Superior part of medial border of tibia (pes anserinus)

Question 7

Rectus femoris

Answer 7

Origin: AIIS

Insertion: Base of patella via quadriceps tendon, tibial tuberosity via patellar ligament

Question 8

Vastus lateralis

Answer 8

Origin: Greater trochanter and lateral lip of linea aspera of femur

Insertion: Base of patella via quadriceps tendon, tibial tuberosity via patellar ligament

Question 9

Vastus medialis

Answer 9

Origin: Intertrochanteric line and medial lip of linea aspera of femur

Insertion: Insertion: Base of patella via quadriceps tendon, tibial tuberosity via patellar ligament

Question 10

Vastus intermedius

Answer 10

Origin: Anterior and lateral surfaces of shaft of femur

Insertion: Insertion: Base of patella via quadriceps tendon, tibial tuberosity via patellar ligament

Question 11

Pectineus

Answer 11

Origin: Superior ramus of pubis

Insertion: Pectineal line of femur

Question 12

Adductor longus

Answer 12

Origin: Body of pubis inferior to pubic crest

Insertion: Middle third of linea aspera of femur

Question 13

Adductor brevis

Answer 13

Origin: Body and inferior ramus of pubis

Insertion: Pectineal line of femur

Question 14

Adductor magnus

Answer 14

Origin: Inferior ramus of pubis, ramus of ischium, and ischial tuberosity

Insertion: Gluteal tuberosity, medial lip of linea aspera, and adductor tubercle of femur

Question 15

Gracilis

Answer 15

Origin: Body and inferior ramus of pubis

Insertion: Superior part of medial surface of tibia (pes anserinus)

Question 16

Semitendinosus

Answer 16

Origin: Ischial tuberosity

Insertion: Superior part of medial surface of tibia (pes anserinus)

Question 17

Semimembranosus

Answer 17

Origin: Ischial tuberosity

Insertion: Posterior part of medial condyle of tibia

Question 18

Biceps femoris (long head)

Answer 18

Origin: Ischial tuberosity of the hip bone

Insertion: Lateral side of the head of the fibula

Question 19

Biceps femoris (short head)

Answer 19

Origin: Lateral lip of linea aspera and lateral supracondylar line of femur

Insertion: Lateral side of head of fibula

Question 20

Superior gemellus

Answer 20

Origin: Ischial spine of the hip bone

Insertion: Trochanteric fossa of femur

Question 21

Inferior gemellus

Answer 21

Origin: Ischial tuberosity

Insertion: Trochanteric fossa of the femur

Question 22

Obturator internus

Answer 22

Origin: Pelvic surface of obturator membrane and surrounding tissue

Insertion: Trochanteric fossa of femur

Question 23

Obturator externus

Answer 23

Origin: Margins of foramen and obturator membrane of the hip bone

Insertion: Trochanteric fossa of femur