4 - Anterior Muscles of the Forearm

Question 1

What is A?

Answer 1

Protonator Teres

Question 2

What is the innervation of A?

Answer 2

The median nerve

Question 3

What are the roots of the median nerve?

Answer 3

C5 - T1

Question 4

What is the action of the protonator teres? What label does it correspond to on the diagram?

Answer 4

Pronates the forearmA

Question 5

Where does protanator teres attach?

Answer 5

Medial epicondyle of the humerus

Question 6

What is D?

Answer 6

Flexor Carpi Radialis

Question 7

What is the Flexor Carpi Radialis innervated by?

Answer 7

The medial nerve

Question 8

Which label is the flexor carpi radialis?

Answer 8

D

Question 9

What movement is the flexi carpi radialis responsible for?

Answer 9

Flexion and abduction at the wrist

Question 10

Where does D originate?

Answer 10

Medial epicondyle of the humerus

Question 11

What is C?

Answer 11

Palmaris longus

Question 12

What does D attach to?

Answer 12

Base of metacarpals 2 and 3

Question 13

What is the palmaris longus innervated by?

Answer 13

Median nerve

Question 14

What movement is the palmaris longus responsible for?

Answer 14

Flexion at the wrist

Question 15

Where does C attach?

Answer 15

The flexor retinaculum of the wrist

Question 16

What is B?

Answer 16

Flexor Carpi Ulnaris

Question 17

What does B attach to?

Answer 17

The pisiform carpal bone

Question 18

What actions is the flexor carpi ulnaris responsible for?

Answer 18

Flexion and adduction at the wrist

Question 19

What is B innervated by?

Answer 19

Ulnar nerve

Question 20

What is E?

Answer 20

Medial epicondyle

Question 21

Name ABCDE and F

Answer 21

A - Protanator TeresB - BrachioradialisC - Flexor Carpi RadialisD - Palma LongusE - Flexor DigitalisF -Flexor Carpi Ulnaris

Question 22

What is G?

Answer 22

Median Nerve

Question 23

What muscle is highlighted blue?

Answer 23

Flexor digortorum superficialis

Question 24

What are the actions of the flexor digortorum superficialis?

Answer 24

Flexes the metacarpophalangeal joints and proximal interphalangeal joints at the 4 fingers, and flexes at the wrist.

Question 25

What innervates the muscle in blue? What IS the blue muscle?

Answer 25

Median nerve. Flexor digortorum superficialis

Question 26

What are the three muscles deep to the wrist?

Answer 26

flexor digitorum profundus flexor pollicis longuspronator quadratus

Question 27

What is A?

Answer 27

Flexor pollicis longus

Question 28

What is B?

Answer 28

Pronator Quadratus

Question 29

What is C?

Answer 29

Flexor Digitorum Profundus

Question 30

What is the function of C?

Answer 30

It is the only muscle that can flex the distal interphalangeal joints of the fingers. It also flexes at metacarpophalangeal joints and at the wrist

Question 31

Where does C originate? What is C called?

Answer 31

ulna and associated interosseous membrane

Question 32

What does B do? What is the name of B?

Answer 32

Pronates the forearm Pronator Quadratus

Question 33

What is the pronator quadratus innervated by?

Answer 33

Median Nerve

Question 34

What is C innervated by?

Answer 34

The medial half (acts on the little and ring fingers) is innervated by the ulnar nerve. The lateral half (acts on the middle and index fingers) is innervated by the medial nerve

Question 35

What is A? What is the function of A?

Answer 35

Flexes the interphalangeal joint and metacarpophalangeal joint of the thumb Flexor Pollicis Longus

Question 36

What is A innervated by?

Answer 36

Median nerve