Lower Extremity Muscles Origin / Insertion

Question 1

Gluteus maximus (O)

Answer 1

Ilium, sacrum, coccyx, aponeurosis of sacrospinalis

Question 2

Gluteus maximus (I)

Answer 2

Iliotibial tract, gluteal tuberosity of femur

Question 3

Gluteus medius (O)

Answer 3

Lateral surface of ilium

Question 4

Gluteus medius (I)

Answer 4

Greater trochanter

Question 5

Rectus femoris (O)

Answer 5

Anterior inferior iliac spine

Question 6

Rectus femoris (I)

Answer 6

Patella via quadriceps tendon to tibial tuberosity via patellar ligament

Question 7

Vastus lateralis (O)

Answer 7

Greater trochanter, intertrochanteric line, linea aspera

Question 8

Vastus lateralis (I)

Answer 8

Patella via quadriceps tendon to tibial tuberosity via patellar ligament

Question 9

Vastus medialis (O)

Answer 9

Intertrochanteric line, linea aspera

Question 10

Vastus medialis (I)

Answer 10

Patella via quadriceps tendon to tibial tuberosity via patellar ligament

Question 11

Gracilis (O)

Answer 11

Pubic bone, ischial ramus

Question 12

Gracilis (I)

Answer 12

Medial surface of tibia

Question 13

Adductors (O)

Answer 13

Pubic bone, ischial tuberosity and ramus

Question 14

Adductors (I)

Answer 14

Linea aspera of femur and inferior portions of femur

Question 15

Pectineus (O)

Answer 15

Superior ramus of pubis

Question 16

Pectineus (I)

Answer 16

Femur between lesser trochanter and linea aspera

Question 17

Iliopsoas (O)

Answer 17

Iliac fossa, T12 and lumbar vertebrae

Question 18

Iliopsoas (I)

Answer 18

Lesser trochanter

Question 19

Sartorius (O)

Answer 19

Anterior superior iliac spine

Question 20

Sartorius (I)

Answer 20

Medial surface of tibia

Question 21

TFL (o)

Answer 21

Iliac crest

Question 22

TFL (I)

Answer 22

Iliotibial tract

Question 23

Biceps femoris (o)

Answer 23

Ischial tuberosity (long head), linea aspera of femur (short head)

Question 24

Biceps femoris (I)

Answer 24

Head of fibula, lateral condyle of tibia

Question 25

Semitendinosus (o)

Answer 25

Ischial tuberosity

Question 26

Semitendinosus (I)

Answer 26

Proximal part of medial surface of tibia

Question 27

Semimembranous (o)

Answer 27

Ischial tuberosity

Question 28

Semimembranosus (I)

Answer 28

Medial condyle of tibia

Question 29

Tibialis anterior (o)

Answer 29

Lateral condyle of tibia and interosseous membrane

Question 30

Tibialis anterior (I)

Answer 30

First metatarsal, one tarsal

Question 31

Extensor digitorum longus (o)

Answer 31

Lateral condyle of tibia, anterior surface of fibula, interosseous membrane

Question 32

Extensor digitorum longus (I)

Answer 32

Middle and distal phalanges of toes 2- 5

Question 33

Fibularis (Peroneus) longus (o)

Answer 33

Head and lateral side of fibula, lateral condyle of tibia

Question 34

Fibularis (Peroneus) longus (I)

Answer 34

Passes under foot to first metatarsal and one tarsal

Question 35

Gastrocnemius (o)

Answer 35

Lateral and medial condyles of femur

Question 36

Gastrocnemius (I)

Answer 36

Calcaneus

Question 37

Soleus (o)

Answer 37

Superior tibia, fibula and interosseous membrane

Question 38

Soleus (I)

Answer 38

Calcaneus