Hand and Foot Muscles

Question 1

Which groups of muscles perform the movements of the hand and wrist?

Answer 1

Muscles of the forearm

Question 2

Which muscles perform flexion in the hand and wrist?

Answer 2

Flexor carpi ulnaris
Flexor carpi radialis
Flexor digitorum superficials

Question 3

Which muscles perform extension in the hand and wrist?

Answer 3

Extensor carpi ulnaris
Extensor carpi radialis longus and brevis
Extensor digitorum

Question 4

Which muscles perform ulnar deviation in the hand and wrist?

Answer 4

Extensor carpi ulnaris
Flexor carpi ulnaris

Question 5

Which muscles perform radial deviation in the hand and wrist?

Answer 5

Abductor pollicis longus
Flexor carpi radialis
Extensor carpi radialis longus and brevis

Question 6

Where are the muscles intrinsic to the hand located?

Answer 6

Between the carpal and metacarpal bones

Question 7

Which groups of muscles perform the movements of the foot and ankle?

Answer 7

Muscles of the leg

Question 8

Which muscles perform dorsiflexion in the foot and ankle?

Answer 8

Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus

Question 9

Which muscles perform plantarflexion in the foot and ankle?

Answer 9

Gastrocnemius
Soleus
Plantaris
Posterior tibialis
Flexor hallucis longus
Flexor digitorum longus

Question 10

Which muscles perform eversion in the foot and ankle?

Answer 10

Fibularis brevis
Fibularis longus
Fibularis tertius

Question 11

Which muscles perform inversion in the foot and ankle?

Answer 11

Tibialis posterior
Tibialis anterior

Question 12

Where are the muscles intrinsic to the foot located?

Answer 12

Between the tarsal and metatarsal bones

Question 13

What is the largest muscle located within the posterior compartment of the leg?

Answer 13

Triceps surae

Question 14

What is the triceps surae formed of?

Answer 14

Two-headed gastrocnemius and soleus

Question 15

What is the largest muscle located within the anterior compartment of the leg?

Answer 15

Tibialis anterior

Question 16

What is the action of the gastrocnemius?

Answer 16

Plantarflexion
Knee flexion

Question 17

Where is the origin of the gastrocnemius?

Answer 17

Medial head - posterior surface of medial femoral condyle
Lateral head - posterior surface of lateral femoral condyle

Question 18

Where is the insertion of the gastrocnemius?

Answer 18

Calcaneus via achilles tendon

Question 19

What is the action of the soleus?

Answer 19

Plantarflexion

Question 20

Where is the origin of the soleus?

Answer 20

Proximal two-thirds of posterior surface of proximal fibula and tibia

Question 21

Where is the insertion of the soleus?

Answer 21

Calcaneus via achilles tendon

Question 22

What is the action of the tibialis anterior?

Answer 22

Dorsiflexion
Inversion

Question 23

Where is the origin of the tibialis anterior?

Answer 23

Upper two-thirds of lateral surface of tibia and lateral condyle

Question 24

Where is the insertion of the tibialis anterior?

Answer 24

Plantar surface of medial cuneiform and first metatarsal

Question 25

What is the larger and most superficial muscle within the lateral compartment of the leg?

Answer 25

Peroneus longus

Question 26

What muscle lies under the cover of the peroneus longus?

Answer 26

Peroneus brevis

Question 27

What is the action of the peroneus longus?

Answer 27

Eversion of foot
Plantarflexion of ankle

Question 28

Where is the origin of the peroneus longus?

Answer 28

Head and upper two-thirds of lateral surface of fibula

Question 29

Where is the insertion of the peroneus longus?

Answer 29

Under surfaces of medial cuneiform and first metatarsal

Question 30

What is the action of the peroneus brevis?

Answer 30

Eversion of foot
Plantarflexion of ankle

Question 31

Where is the origin of the peroneus brevis?

Answer 31

Lower two-thirds lateral fibula

Question 32

Where is the insertion of the peroneus brevis?

Answer 32

Tubercle on lateral base of fifth metatarsal