muscles of the forearm, hand, leg, foot

Question 1

what does the anterior compartment contain?

Answer 1

pronators and flexor muscle

Question 2

what are the pronators of the arm?

Answer 2

pronator teres, superficial
pronator quadratus, deep

Question 3

what do the flexors of the forearm do and where does it originate?

Answer 3

flex wrist, MP joints (knuckles), and IP joints (fingers)
origin: medical epicondyle

Question 4

what is pronation?

Answer 4

rotation of the radius across the surface of the ulna

Question 5

what is the flexor retinaculum?

Answer 5

flexor that is bands of dense regular CT to hold flexor tendons close to bone, forms the roof of the carpal tunnel

Question 6

what is the carpal tunnel?

Answer 6

space underneath the flexor retinaculum

Question 7

what is carpal tunnel syndrome?

Answer 7

inflammation of structures beneath the flexor retinaculum, causes pressure, pain, pins and needles, from bending wrists too much

Question 8

what is the flexor carpi radialis?

Answer 8

flexes wrist and abducts hand

Question 9

what is the palmaris longus?

Answer 9

flexes wrist

Question 10

what is the only muscle in wrist not in carpal tunnel?

Answer 10

palmaris longus

Question 11

what is the flexor carpi ulnaris?

Answer 11

flexes wrist and adducts hand, not attached to fingers stops at wrist

Question 12

what is the flexor digitorum superficialis?

Answer 12

flexes wrist and flexes digits 2 through 5 at the MP and PIP joints

Question 13

What is the flexor digitorum profundus and attachment?

Answer 13

Deep muscle that flexes wrist, flexes digits 2-5 at the MP, PIP, and DIP joints, tendons attach to distal phalanges

Question 14

what is the flexor pollicis longus?

Answer 14

Flexes wrist, MP joint and IP joint of thumb

Question 15

What does the posterior forearm contain?

Answer 15

supinator and extensors

Question 16

What do extensors of formarm originate from?

Answer 16

Lateral epicondyle of the humerus

Question 17

what is the extensor retinaculum?

Answer 17

Extends wrist, MP joint, and IP joints

Question 18

what is the extensor carpi ulnaris?

Answer 18

superficial muscle that extends wrist and adducts hand

Question 18

What is the extensor carpi radialis longus?

Answer 18

a superficial muscle that extends wrist and abducts hand

Question 19

What is the extensor carpi radialis brevis?

Answer 19

superficial muscle that extends wrist and abducts hand

Question 19

What is the extensor digitorum?

Answer 19

Superficial muscle that extends wrist and extends digits 2-5 at MP, PIP, and DIP joints

Question 20

what is the extensor pollicis longus?

Answer 20

deep muscle that extends thumb

Question 20

What is the thenar muscle?

Answer 20

moves the thumb only

Question 21

What is the extensor pollicis longus?

Answer 21

Deep muscle that extends thumb

Question 22

what is the extensor pollicis brevis?

Answer 22

Deep muscle that extends thumb

Question 23

What is the hypothenar muscle?

Answer 23

moves little finger

Question 24

what is the lumbricals?

Answer 24

flex the MP joints and extends PIP and DIP joints

Question 24

what is the midpalmer muscle?

Answer 24

Moves fingers 2-5

Question 25

What is the Palmar interossei?

Answer 25

Flexes MP joints and extends PIP and DIP joints and adducts fingers

Question 26

what is the dorsal interossei?

Answer 26

flexes MP joints and PIP and DIP joints and abducts fingers

Question 27

What is the function of the anterior compartment of leg?

Answer 27

dorsiflexion of the foot at the ankle joint

Question 28

what is the function of the tibialis anterior and attachment?

Answer 28

Dorsiflex foot at ankle joint, inverts foot, tendon attaches to plantar side of foot

Question 29

What is the function of the extensor digitorum longus?

Answer 29

dorsiflexes foot and extends toes 2-5

Question 30

what is the function of the extensor hallucis longus?

Answer 30

dorsiflexes foot and extends big toe

Question 31

What is the function of the fibularis longus and its attachment?

Answer 31

Everts foot and weakly plantar flexes foot, tendon travels to sole of the foot to big toe

Question 31

What is the function of the lateral compartment of the leg?

Answer 31

Everts foot and weakly plantar flexes foot

Question 32

What's the function of the fibularis brevis and attachment?

Answer 32

Everts foot and weakly plantar flexes foot, tendon attaches to base of 5th metatarsal

Question 33

What is the function of the posterior compartment of the leg?

Answer 33

plantar flexes the foot at the ankle joint

Question 34

what is the function of the gastrocnemius muscle?

Answer 34

plantar flexes the foot at the ankle joint, flexes leg at knees joint

Question 35

what is the function of the soleus?

Answer 35

Gastrocnemius and soleus together attach to the heel and calcaneal tendon (Achilles tendon) a powerful plantar flexor

Question 36

what is the function of the plantaris?

Answer 36

plantar flexes the foot at the ankle joint, flexes the leg at the knee joint

Question 37

What Is the function of the popliteus?

Answer 37

plantar flexes the foot at the ankle joint, flexes the leg at knee joint

Question 38

what is the function of the flexor hallucis longus and attachment?

Answer 38

plantar flexes the foot at the ankle joint, flexes the big toe, attaches from fibula to big toe

Question 39

what is the function of the flexor digitorum longus and attachment?

Answer 39

plantar flexes the foot at the ankle joint, flexes toes 2-5, attaches from tibia to toes

Question 40

what is the function of the tibialis posterior and attachment?

Answer 40

plantar flexes the foot at the ankle joint, inverts foot, attached to tibia

Question 41

What is the function of the extensor digitorum brevis?

Answer 41

extends toes 2-4

Question 42

what is the function of the extensor hallucis brevis?

Answer 42

Extends big toe

Question 43

What's the function of the plantar aponeurosis?

Answer 43

protection and helps with movement

Question 44

The muscles in the anterior compartment of the LEG perform this common function?

Answer 44

dorsiflex the foot at the ankle joint

Question 45

what is the abductor pollicis longus?

Answer 45

abducts thumb