Exam 5 Actions

Question 1

Gluteus maximus

Answer 1

Extend & laterally rotate thigh
Rise from sitting position
Running

Question 2

Gluteus medius

Answer 2

Abduction & medially rotate thigh

Stops hip from sagging on unsupported side (keeps hips level/stabilized) - with gluteus minimus

Question 3

Gluteus minimus

Answer 3

Abduction & medial rotation of thigh

Stabilize thigh with Gluteus medius

Question 4

Piriformis

Answer 4

Lateral rotation of thigh

Question 5

Obturator Internus

Answer 5

Lateral rotation, extension, & abduction of flexed thigh

Question 6

Superior Gemellus

Answer 6

Lateral rotation, extension, & abduction of flexed thigh

Question 7

Inferior Gemellus

Answer 7

Lateral rotation, extension, & abduction of flexed thigh

Question 8

Quadratus Femoris

Answer 8

Laterally rotate thigh

Question 9

Sartorius

Answer 9

Flex hip & knee

Question 10

Rectus femoris

Answer 10

Flex hip/extend knee

Question 11

Vastus lateralis

Answer 11

Flex hip/extend knee

Question 12

Vastus medialis

Answer 12

Flex hip/extend knee

Question 13

Vastus intermedius

Answer 13

Flex hip/extend knee

Question 14

Articularis genu

Answer 14

Pulls knee capsule up so it doesn’t get caught in knee joint

Question 15

Psoas major

Answer 15

Flex hip/extend knee

Question 16

Iliacus

Answer 16

Flex hip/extend knee

Question 17

Tensor fascia latae

Answer 17

Flex hip/extend knee

Question 18

Anterior thigh compartment

Answer 18

Flex hip/extend knee

Question 19

Medial thigh compartment

Answer 19

Adduct thigh

Question 20

Posterior thigh compartment

Answer 20

Extend hip/flex knee

Question 21

Pectineus

Answer 21

Adduct thigh

Question 22

Adductor longus

Answer 22

Adduct thigh

Question 23

Adductor brevis

Answer 23

Adduct thigh

Question 24

Adductor magnus

Answer 24

Adduct thigh

Question 25

Gracilis

Answer 25

Adduct thigh

Question 26

Obturator externus

Answer 26

Adduct thigh

Question 27

Biceps femoris

Answer 27

Extend hip/flex knee

Question 28

Semitendinosus

Answer 28

Extend hip/flex knee

Question 29

Semimembranosus

Answer 29

Extend hip/flex knee

Question 30

Anterior leg

Answer 30

Dorsiflex ankle, extend toes

Question 31

Tibialis anterior

Answer 31

Dorsiflex ankle (strongest)

Question 32

Extensor Hallucis Longus

Answer 32

Dorsiflex ankle | Extend 1st toe

Question 33

Extensor Digitorum Longus

Answer 33

Dorsiflex ankle | Extend toes 2-5

Question 34

Peroneus Tertius

Answer 34

Dorsiflex ankle

Question 35

Lateral leg compartment

Answer 35

Evert foot

Question 36

Peroneus longus

Answer 36

Evert foot | Support transverse arch of foot

Question 37

Peroneus brevis

Answer 37

Evert foot

Question 38

Posterior leg compartment

Answer 38

Plantar flexion & inversion of foot

Question 39

Gastrocnemius

Answer 39

Flex leg at knee | Plantar flex foot

Question 40

Soleus

Answer 40

Flex leg at knee Plantar flex foot Anti-gravity - continuously active during standing to keep from falling forward

Question 41

Plantaris

Answer 41

Proprioception | No other function

Question 42

Popliteus

Answer 42

Flexion & internal rotation (stabilization) of knee joint | Unlocks knee joint by laterally rotating femur

Question 43

Flexor hallucis longus

Answer 43

Plantar flexion of ankle Inversion of foot Flex first toe Support medial longitudinal arch

Question 44

Flexor digitorum longus

Answer 44

Plantar flex ankle Inversion of foot Flex 2nd-5th toes

Question 45

Tibialis posterior

Answer 45

Plantar flex ankle Inversion of foot Support longitudinal & transverse arches

Question 46

Extensor digitorum brevis

Answer 46

Extends toes 2-4

Question 47

Extensor hallucis brevis

Answer 47

Extend 1st toe

Question 48

Abductor hallucis

Answer 48

Abduct 1st toe | Support longitudinal arch

Question 49

Abductor digiti minimi

Answer 49

Abduct 5th toe | Support longitudinal arch

Question 50

Flexor digitorum brevis

Answer 50

Flex 2nd-5th toes | Support longitudinal arch

Question 51

Quadratus plantae

Answer 51

Redirects & augments pull of flexor digitorum longus | Keeps tension on tendon that flexes toes but does not actually move bone

Question 52

Lumbrical muscles

Answer 52

Flex toes 2-5 at metatarsophalangeal joint Extend toes 2-5 at interphalangeal joint Adducts toes 2-5 toward big toe

Question 53

Flexor digiti minimi brevis

Answer 53

Flexes little toe

Question 54

Flexor hallucis brevis

Answer 54

Flexes big toe

Question 55

Adductor hallucis

Answer 55

Adducts big toe | Supports transverse & longitudinal arches

Question 56

Plantar interossei muscles

Answer 56

Adduct toes 3-5 toward 2nd toe

Question 57

Dorsal interossei muscles

Answer 57

Abduct toes (3 & 4 away from 2nd toe)