Muscle Origin & Insertion - Lower Limb

Question 1

What is/are the origin(s) and insertion(s) of the gluteus Maximus?

Answer 1

Origin: Exterior ilium posterior to posterior gluteal line, dorsal sacrum, coccyx and sacrotubeous ligament

Insertion: Gluteal tuberosity and iliotibial tract

Question 2

What is/are the origin(s) and insertion(s) of the tensor fasciae latae?

Answer 2

Origin: Lateral iliac crest between ASIS and tubercle

Insertion: iliotibial tract

Question 3

What is/are the origin(s) and insertion(s) of the gluteus medius?

Answer 3

Origin: external ilium between posterior and anterior gluteal lines

Insertion: Greater trochanter

Question 4

What is/are the origin(s) and insertion(s) of the gluteus minimus?

Answer 4

Origin: External ilium between anterior and inferior gluteal lines

Insertion: Greater trochanter

Question 5

What is/are the origin(s) and insertion(s) of the piriformis?

Answer 5

Origin: Anterior sacrum

Insertion: Greater trochanter

Question 6

What is/are the origin(s) and insertion(s) of the quadratus femoris?

Answer 6

Origin: Lateral aspect of ischium to ischial tuberosity

Insertion: Quadrate tubercle and intertrochanteric crest

Question 7

What is/are the origin(s) and insertion(s) of the obturator internus?

Answer 7

Origin: obturator membrane and surrounding bones

Insertion: Greater trochanter

Question 8

What is/are the origin(s) and insertion(s) of the superior gemellus?

Answer 8

Origin: Ischial spine

Insertion: Greater trochanter and tendon of obturator internus

Question 9

What is/are the origin(s) and insertion(s) of inferior gemellus?

Answer 9

Origin: Ischial tuberosity

Insertion: Greater trochanter and tendon of obturator internus

Question 10

What is/are the origin(s) and insertion(s) of the psoas major?

Answer 10

Origin: Posterior abdominal wall between TXII to LV

Insertion: Lesser trochanter

Question 11

What is/are the origin(s) and insertion(s) of the iliacus?

Answer 11

Origin: Iliac fossa

Insertion: Lesser trochanter

Question 12

What is/are the origin(s) and insertion(s) of the vastus medialis?

Answer 12

Origin: Medial parts of the intertrochanteric line, pectineal line, lineament aspera, medial supracondylar line

Insertion: Quadriceps femoris tendon

Question 13

What is/are the origin(s) and insertion(s) of the vastus intermedius?

Answer 13

Origin: Upper 2/3rds of anterior and lateral femur

Insertion: Quadriceps femoris tendon

Question 14

What is/are the origin(s) and insertion(s) of the vastus lateralis?

Answer 14

Origin: Lateral intertrochanteric line, gluteal tuberosity and linea aspera

Insertion: Quadriceps femoris tendon

Question 15

What is/are the origin(s) and insertion(s) of the rectus femoris?

Answer 15

Origin: AIIS (straight head) and ilium above acetabulum (reflected head)

Insertion: Quadriceps femoris tendon

Question 16

What is/are the origin(s) and insertion(s) of the sartorius?

Answer 16

Origin: Anterior superior iliac spine

Insertion: medial surface of tibia below tuberosity

Question 17

What is/are the origin(s) and insertion(s) of the biceps femoris?

Answer 17

Origin: Ischial tuberosity (long head) and lateral lip of linea aspera (short head)

Insertion: Head of fibula

Question 18

What is/are the origin(s) and insertion(s) of the semitendinosus?

Answer 18

Origin: Ischial tuberosity

Insertion: medial surface of proximal tibia

Question 19

What is/are the origin(s) and insertion(s) of the semimembranosus?

Answer 19

Origin: Ischial tuberosity

Insertion: medial and posterior surface of the medial tibial condyle

Question 20

What is/are the origin(s) and insertion(s) of the popliteus?

Answer 20

Origin: Lateral femoral condyle

Insertion: Posterior surface of proximal tibia

Question 21

What is/are the origin(s) and insertion(s) of the gastrocnemius?

Answer 21

Origin: Posterior surface of distal femur above medial condyle (medial head) and lateral femoral condyle (lateral head)

Insertion: Calcaneus via calcaneal tendon

Question 22

What is/are the origin(s) and insertion(s) of the plantaris?

Answer 22

Origin: Inferior lateral supracondylar line of femur and popliteal tendon

Insertion: Calcaneus via calcaneal tendon

Question 23

What is/are the origin(s) and insertion(s) of the soleus?

Answer 23

Origin: Soleal line of tibia, tendinous, posterior fibula

Insertion: calcaneus via calcaneal tendon

Question 24

What is/are the origin(s) and insertion(s) of the flexor hallucis longus?

Answer 24

Origin: posterior fibula and interosseous membrane

Insertion: Plantar surface of distal phalanx of digit 1

Question 25

What is/are the origin(s) and insertion(s) of tibialis posterior?

Answer 25

Origin: posterior surface of interosseous membrane and adjacent tibia and fibula Insertion: Navicular and medial cuneiform

Question 26

What is/are the origin(s) and insertion(s) of the flexor digitorum longus?

Answer 26

Origin: posterior tibia Insertion: Plantar surface of distal phalanges of digits 2-5

Question 27

What is/are the origin(s) and insertion(s) of the fibularis longus?

Answer 27

Origin: Upper lateral surface of fibula Insertion: Plantar surface of medial cuneiform and MT1 (tendon goes round the back of the malleolus and inserts on the foot)

Question 28

What is/are the origin(s) and insertion(s) of the fibularis brevis?

Answer 28

Origin: Lower lateral surface of the fibula shaft Insertion: base of MT5 (tendon also travels round the back of the malleolus)

Question 29

What is/are the origin(s) and insertion(s) of the tibialis anterior?

Answer 29

Origin: Lateral tibia and interosseous membrane Insertion: Medial cuneiform and base of MT1 (tendon crosses tibia)

Question 30

What is/are the origin(s) and insertion(s) of the extensor digitorum longus?

Answer 30

Origin: Medial surface of proximal fibula and lateral tibial condyle (most lateral) Insertion: Dorsal expansions to distal and middle phalanges of digits 2-5

Question 31

What is/are the origin(s) and insertion(s) of the fibularis tertius?

Answer 31

Origin: Distal medial surface of fibula (tendon often continuous with extensor digitorum longus and tendon crosses into foot then moves laterally) Insertion: Dorsomedial surface of base of MTV

Question 32

What is/are the origin(s) and insertion(s) of the extensor hallucis longus?

Answer 32

Origin: Medial surface of middle fibula and interosseous membrane (deep and next to tibialis anterior) Insertion: Dorsal surface of base of distal phalanx of digit 1