Lower Body- Origins and Insertion

Question 1

origin and insertion of the vastus intermedius

Answer 1

anterior and lateral surface of the femur

patella

Question 2

origin and insertion of flexor digitorum longus

Answer 2

middle half of the posterior surface of the tibia

bases of the distal phalanges of digits 2-5

Question 3

Origin and Insertion for Gastrocnemius

Answer 3

medial head: above the medial femoral condyle
lateral head: above the lateral femoral condyle

dorsum of the calcaneus via the calcaneal (Achilles’) tendon

Question 4

origin and insertion of the psoas major

Answer 4

bodies and transverse processes of lumbar vertebrae

lesser trochanter of femur

Question 5

origin and insertion for adductor hallucis

Answer 5

oblique head: bases of metatarsals 2-4;
transverse head: heads of metatarsals 3-5

lateral side of base of the proximal phalanx of the great toe

Question 6

origin and insertion of gluteus medius

Answer 6

external surface of the ilium between the posterior and anterior gluteal lines

greater trochanter of the femur

Question 7

origin and insertion of the popliteus

Answer 7

lateral condyle of the femur

posterior surface of the tibia above soleal line

Question 8

origin and insertion of the superior gemellus

Answer 8

ischial spine

obturator internus tendon

Question 9

origin and insertion of the piriformis

Answer 9

anterior surface of sacrum

upper border of greater trochanter of femur

Question 10

origin and insertion of the soleus

Answer 10

posterior surface of head and upper shaft of the fibula, soleal line of the tibia

dorsum of the calcaneus via the calcaneal (Achilles’) tendon

Question 11

origin and insertion of flexor hallucis longus

Answer 11

lower 2/3 of the posterior surface of the fibula

base of the distal phalanx of the great toe

Question 12

origin and insertion of the vastus lateralis

Answer 12

lateral lip of the linea aspera and the gluteal tuberosity

patella and medial patellar retinaculum

Question 13

origin and insertion of the tibialis posterior

Answer 13

interosseous membrane

tuberosity of the navicular and medial cuneiform, metatarsals 2-4

Question 14

origin and insertion of gracilis

Answer 14

pubic symphysis and the inferior pubic ramus

medial surface of the tibia (via pes anserine)

Question 15

origin and insertion of flexor digitorum brevis

Answer 15

tuberosity of the calcaneus,

base of the middle phalanx of digits 2-5

Question 16

origin and insertion of extensor digitorum longus

Answer 16

lateral condyle of the tibia, anterior surface of the fibula

dorsum of the lateral 4 toes via extensor expansions

Question 17

origin and insertion of the vastus medialis

Answer 17

medial lip of the linea aspera

patella and medial patellar retinaculum

Question 18

origin and insertion of fibularis (peroneus) longus

Answer 18

upper two/thirds of the lateral surface of the fibula

medial cuneiform and the base of the 1st metatarsal bone

Question 19

origin and insertion of gluteus minimus

Answer 19

external surface of the ilium between the anterior and inferior gluteal lines

greater trochanter of the femur

Question 20

origin and insertion for adductor brevis

Answer 20

Inferior pubic ramus

pectineal line and linea aspera (deep to the pectineus and adductor longus mm.)

Question 21

origin and insertion of gluteus maximus

Answer 21

posterior gluteal line, posterior surface of sacrum and coccyx, sacrotuberous ligament

upper fibers: iliotibial tract; lowermost fibers: gluteal tuberosity of the femur

Question 22

origin and insertion of the quadratus femoris

Answer 22

ateral border of the ischial tuberosity

quadrate line of the femur below the intertrochanteric crest

Question 23

origin and insertion of obturator internus

Answer 23

the external surface of the obturator membrane and the superior and inferior pubic rami

trochanteric fossa of the femur

Question 24

origin and insertion of the semimembranosus

Answer 24

ischial tuberosity

medial condyle of the tibia

Question 25

origin and insertion of iliacus

Answer 25

iliac fossa and iliac crest lesser trochanter of the femur

Question 26

origin and insertion of fibularis (peroneus) tertius

Answer 26

distal part of the anterior surface of the fibula dorsum of the shaft of the 5th metatarsal bone

Question 27

origin and insertion for abductor hallucis

Answer 27

medial side of the tuberosity of calcaneus medial side of the base of the proximal phalanx of the great toe (hallux)

Question 28

origin and insertion of fibularis (peroneus) brevis

Answer 28

lower one third of the lateral surface of the fibula tuberosity of the base of the 5th metatarsal

Question 29

origin and insertion of iliopsoas

Answer 29

iliac fossa; bodies and transverse processes of lumbar vertebrae lesser trochanter of the femur

Question 30

origin and insertion of the sartorius

Answer 30

anterior superior iliac spine medial surface of the tibia (pes anserinus)

Question 31

origin and insertion of flexor hallucis brevis

Answer 31

cuboid, lateral cuneiform, medial side of the first metatarsal medial belly: medial side of proximal phalanx of the great toe; lateral belly: lateral side of the proximal phalanx of the great toe

Question 32

origin and insertion of the semitendinosus

Answer 32

Ischial tuberosity medial surface of tibia (via pes anserinus)

Question 33

origin and insertion of gastrocnemius

Answer 33

medial head: above the medial femoral condyle; lateral head: above the lateral femoral condyle dorsum of the calcaneus via the calcaneal (Achilles') tendon

Question 34

origin and insertion of the TFL (tensor fasciae latae)

Answer 34

anterior superior iliac spine iliotibial tract

Question 35

origin and insertion of adductor longus

Answer 35

medial portion of the superior pubic ramus linea aspera of the femur

Question 36

origin and insertion of the plantaris

Answer 36

above the lateral femoral condyle dorsum of the calcaneus medial to the calcaneal tendon

Question 37

origin and insertion of extensor hallucis longus

Answer 37

middle half of the anterior surface of the fibula base of the distal phalanx of the great toe

Question 38

origin and insertion of extensor digitorum brevis

Answer 38

superolateral surface of the calcaneus extensor expansion of toes 1-4

Question 39

origin and insertion of the tibialis anterior

Answer 39

Upper lateral surface of the tibia medial surface of the medial cuneiform and the 1st metatarsal

Question 40

origin and insertion of inferior gemellus

Answer 40

ischial tuberosity obturator internus tendon

Question 41

origin and insertion of extensor hallucis brevis

Answer 41

superolateral surface of the calcaneus dorsum of base of proximal phalanx of the great toe

Question 42

origin and insertion of pectineus

Answer 42

pecten of the pubis pectineal line of the femur

Question 43

origin and insertion of adductor magnus

Answer 43

ischiopubic ramus and ischial tuberosity linea aspera of the femur; the ischiocondylar part inserts on the adductor tubercle of the femur

Question 44

origin and insertion of obturator externus

Answer 44

the internal surface of the obturator membrane and margin of the obturator foramen greater trochanter on its medial surface above the trochanteric fossa

Question 45

origin and insertion of the rectus femoris

Answer 45

anterior inferior iliac spine patella and tibial tuberosity (via the patellar ligament)

Question 46

origin and insertion of the quadriceps femoris

Answer 46

anterior surface of the femur tibial tuberosity via the patellar ligament

Question 47

origin and insertion of flexor digiti minimi brevis (foot)

Answer 47

base of 5th metatarsal bone lateral side of base of proximal phalanx of 5th digit