Module 10

Question 1

What are the muscles of the lower body?

Answer 1

Psoas major
Gluteus Maximus
Gluteus medius
Tensor fascia lata
Quadratus femoris
Pectineus
Rectus femoris
Sartorius
Biceps femoris
Tibialis anterior
Fibularis longus
Gastroenmius
Flexor digitorum brevis

Question 2

Origin and insertion: psoas major

Answer 2

O: lumbar vertebrae
I: lesser trochanter of femur

Question 3

Origin and insertion: gluteus Maximus

Answer 3

O: dorsal ilium, sacrum, coccyx
I: iliotibial tract

Question 4

Origin and insertion: gluteus medius

Answer 4

O: lateral ilium
I: greater trochanter of femur

Question 5

Origin and insertion: tensor fascia lata

Answer 5

O: anterior iliac crest
I: iliotibial tract

Question 6

Origin and insertion: quadratus femoris

Answer 6

O: ischial tuberosity
I: trochanteric crest

Question 7

Origin and insertion: pectineus

Answer 7

O: pectineal line of pubis
I: lesser trochanter to linea aspara of femur

Question 8

Origin and insertion: rectus femoris

Answer 8

O: anterior inferior iliac spine
I: patella and tibial tuberosity

Question 9

Origin and insertion: sartorius

Answer 9

O: anterior superior iliac spine
I: medial proximal tibia

Question 10

Origin and insertion: biceps femoris

Answer 10

O: ischial tuberosity
I: head of fibula

Question 11

Origin and insertion: tibialis anterior

Answer 11

O: lateral condyle of tibia
I: first metatarsal

Question 12

Origin and insertion: fibularis longus

Answer 12

O: upper fibula
I: first metatarsal

Question 13

Which muscles flex the thigh

Answer 13

Psoas major, tensor fascia lata, pectineus, rectus femoris, sartorius

Question 14

Which muscles laterally rotate the thigh

Answer 14

Psoas major, quadratus femoris, sartorius, biceps femoris

Question 15

Which muscles extend the thigh

Answer 15

Biceps femoris, gluteus maximus

Question 16

Which muscles abduct the thigh

Answer 16

Gluteus medius, tensor fascia lata, sartorius

Question 17

Which muscles adduct the thigh

Answer 17

Pectineus

Question 18

Which muscles medially rotate the thigh

Answer 18

Pectineus,

Question 19

Which muscles extend the leg

Answer 19

Rectus femoris

Question 20

Which muscles flex the leg

Answer 20

Sartorius, biceps femoris, gastroenemius

Question 21

Which muscles perform dorsiflexion

Answer 21

Tibialis anterior

Question 22

Which muscles perform inversion?

Answer 22

Tibialis anterior

Question 23

Which muscles perform plantar flexion

Answer 23

Fibularis longus and gastroenemius

Question 24

Which muscles perform version?

Answer 24

Fibularis longus

Question 25

Which muscles flex the toes?

Answer 25

Flexor digitorum brevis

Question 26

Origin and insertion: gastroenemius

Answer 26

O: medial and lateral condyle of femur I: calcaneus via Achilles tendon

Question 27

Origin and insertion: flexor digitorum brevis

Answer 27

O: calcaneal tuberosity I: middle phalanges

Question 28

Which nerve innervates psoas major

Answer 28

L1 spinal nerve

Question 29

Which nerve innervates gluteus Maximus

Answer 29

Inferior gluteal nerve

Question 30

Which nerve innervates gluteus medius

Answer 30

Superior gluteal nerve

Question 31

Which nerve innervates tensor fascia lata

Answer 31

Superior gluteal nerve

Question 32

Which nerve innervates quadratus femoris

Answer 32

L5 spinal nerve

Question 33

Which nerve innervates pectineus

Answer 33

Femoral nerve

Question 34

Which nerve innervates rectus femoris

Answer 34

Femoral nerve

Question 35

Which nerve innervates sartorius

Answer 35

Femoral nerve

Question 36

Which nerve innervates biceps femoris

Answer 36

Tibial membrane

Question 37

Which nerve innervates tibialis anterior

Answer 37

Deep fibular nerve

Question 38

Which nerve innervates fibularis longus

Answer 38

Superficial fibular nerve

Question 39

Which nerve innervates gastroenemius

Answer 39

Tibial nerve

Question 40

Which nerve innervates flexor digitorum brevis

Answer 40

Medial plantar nerve