Muscles

Question 1

what is the innervation of the lateral crural muscles?

Answer 1

superficial peroneal nerve

Question 2

what region of the spine doe the vastus intermedius originate from?

Answer 2

L2-4

Question 3

what muscles are on the dorsal of the foot?

Answer 3

extesnor hallucis brevis

extensor digitorum brevis

Question 4

what are the actions of the sartorius?

Answer 4

flexes thigh

abdjucts thigh

laterally rotates thigh

Question 5

what is action of abductor hallucis?

Answer 5

flexes and abducts great toe

Question 6

what are the posterior crural muscles?

Answer 6

felxor digitorum longus

flexor hallucis longus

gastrocnemius

plantaris

popliteus

soleus

tibilais posterior

Question 7

In the femoral compartment, which muscles are respoinsible for extending the leg?

Answer 7

rectus femoris

Tensor fasciae latae

vastus intermedius

vastus lateralis

vastus medialis

Adductor magnus

Question 8

What are the actions of the posterior thigh region?

Answer 8

flexes and extends legs

only long head of biceps femoris extends leg

Question 9

what gets innervated by the deep peroneal nerve?

Answer 9

extensor digitorum brevis

extensor hallucis brevis

Question 10

what muscles are responsible for plantar flexing ankle?

Answer 10

peroneus longus and brevis

flexor digitorum longus

flexor hallucis longus

gastrocnemius

plantaris

soleus

tibialis posterior

Question 11

3rd layer of sole of foot

Answer 11

adductor hallucis

flexor hallucis brevis

flexor digiti minimi brevis

Question 12

what region of the spine deos the gastrocnemius and soleus arrise from?

Answer 12

S 1,2

Question 13

what muscles does the obturator internus of the sacral plexus innervate?

Answer 13

gemellus superior

obturator internus

Question 14

what is the action of the lumbricals?

Answer 14

flexes proximal phalanges and extends IP joints

Question 15

what are the actions of the tensor fasciae latae?

Answer 15

abducts, flexes

medially rotates thigh

maintains extended leg

Question 16

What muscles are innervated by femoral nerve?

Answer 16

Iliacus

rectus femoris

satorius

vastus intermedius

vastus lateralis

vastus medialis

pectineus

Question 17

what muscles are innervated by the obturator nerve?

Answer 17

all medial femoral muscles

Adductor brevis, longus, magnus, gracilis, pentineus

and obturator externus

Question 18

What gets innervated by the lateral plantar nerve?

Answer 18

abductor digiti minimi

adductor hallucis

flexor digitorum accessorius

flexor digit minimi

interossei dorsal and plantar

lumbricals 2-4

Question 19

what muscles are responsible for adducting the thigh?

Answer 19

Adductor brevis, longus, magnus

gracilis

pectineus

Question 20

what are on the 1st layer of plantar muscles?

Answer 20

flexor digitorum brevis

abductor hallucis

abdcutor digiti minimi

Question 21

In the anterior femoral compartment, which muscles are responsible for flexion of the thigh?

Answer 21

Iliacus

psoas

rectus femoris

satorius

tensor fasciae latae

adductor longus

gracilis

pectineus

(all on anterior except vastus muscles)

Question 22

what is the innervation for all posterior crural muscles?

Answer 22

tibial nerve

Question 23

4th layer of sole of foot

Answer 23

plantar interossei

dorsal interossei

Question 24

what is the difference between extensor digitorum longus and extensor hallucis longus?

Answer 24

EDL: controls toes 2-5

EHL: controls great toe

Question 25

what is the exception to the actions of the posterior crural muscles?

Answer 25

all plantar flex ankle except popliteus, which unlocks knee during flexion

Question 26

what is the innervation of the posterior femoral muscles?

Answer 26

tibial division of sciatic nerve peroneal division for short head of biceps femoris

Question 27

In the anterior compartment of femoral thigh, what muscles stablalize the hip joint?

Answer 27

iliacus psoas

Question 28

what are the lateral crural muscles?

Answer 28

peroneus longus peroneus brevis

Question 29

what muscles does the quatratus femoral branch of sacral plexus innervate?

Answer 29

gemellus inferior quatratus femoris

Question 30

what muscles abduct the thigh?

Answer 30

gluteus medius and minimus

Question 31

what actions does the extensor hallucis longus do?

Answer 31

extends great toe

Question 32

What is the innervation of the gluteal muscles?

Answer 32

interfior innervates gluteus maximum superior innervates medius and minimus

Question 33

2nd layer of sole of foot

Answer 33

quadratus plantae (digitorum accessorius) Lumbricals

Question 34

What are the anterior crural muscles?

Answer 34

extensor digitorum longus extensor hallucis longus peroneus tertius tibialis anterior \*laterally of tibia

Question 35

Which posterior crural muscles flex leg?

Answer 35

gastrocnemius plantaris

Question 36

what is the difference between interossi plantar and dorsal?

Answer 36

plantar adducts dorsal abducts

Question 37

what actions do the peroneus tertius do?

Answer 37

dorsiflexes ankle everts foot

Question 38

what is action of interossei-plantar

Answer 38

adducts and flexes MP, extends digits 3-5

Question 39

what gets innervated by medial plantar nerve?

Answer 39

abductor hallucis flexor digitorum brevis flexor hallucis brevis lumbricals 1st

Question 40

what action does the tibialis anterior do?

Answer 40

dorsiflex ankle inverts foot

Question 41

what is the action of extensor digitorum brevis?

Answer 41

extension of digits 2-5

Question 42

what is the difference between the flexor digitorum longus and extensor digitorum longus?

Answer 42

flexor flexes toes 2-5 plantar flexes tibial nerve. posterior tibial a. extensor extends does 2-5 dorsiflexes deep peroneal nerve anterior tibial a. and perforating brach of peroneal a.

Question 43

what is the action of adductor hallucis?

Answer 43

adducts great toe

Question 44

What muscles are in the posterior femoral region?

Answer 44

biceps femoris (long and short) semimembranosus semitendonosus

Question 45

what actions does the extensor digitorum longus doe?

Answer 45

dorsiflex angle, extends digits 2-5

Question 46

Innervation of anterior crural muscles?

Answer 46

deep peroneal nerve

Question 47

what are the actions of the lateral crural muscles?

Answer 47

plantar flex ankle evert foot

Question 48

what muscles are responsible for medially rotating thigh?

Answer 48

Gracilia Tensor fasciae latae Gluteus medius Gluteus minimus

Question 49

What muscles are responsible for laterally rotating thigh?

Answer 49

sartorius obturator internus Gemellus inferior and superior gluteus maximum obturator externus piriformis quadratus femoris

Question 50

what actions do ethe tibialis posterior do?

Answer 50

plantar flexes ankle inverts foot

Question 51

what is the action of abductor digiti minimi

Answer 51

abducts and flexes 5th digit

Question 52

what is the common action of all anterior crural muscles?

Answer 52

dorsiflex ankle

Question 53

What region of the spine does the vastus muscles originate from?

Answer 53

L2-4

Question 54

What region of the spine does the recturo femoris originate from?

Answer 54

L2-4

Question 55

what is action of interossei-dorsal?

Answer 55

abducts and flexes MP, extends 2-4

Question 56

what are the most superifical muscles on the sole of the foot?

Answer 56

felxor digitorum brevis abductor hallucis abductor digit minimi

Question 57

what are the intrinsic muscles of the dorsum of the foot?

Answer 57

extensor hallucis brevis