Forearm Muscles

Question 1

Brachioradialis

Answer 1

Origin:
Lateral supracondylar ridge of humerus

Insertion:
Styloid process of radius

Function:
Flexes forearm

Question 2

Flexor Carpi Radialis

Answer 2

Origin:
Medial epicondyle of humerus

Insertion:
Base of second & third metacarpals

Function:
Flexes and abducts wrist

Question 3

Palmaris Longus

Answer 3

Origin:
Medial epicondyle of humerus

Insertion:
Flexor retinaculum & palmar aponeurosis

Function:
Flexes wrist

Question 4

Flexor Carpi Ulnaris

Answer 4

Origin:
Medial epicondyle of humerus, Olecranon &posterior border of ulna

Insertion:
Pisiform, Hook of hamate, Base of fifth metacarpal

Function:
Flexes & adducts wrist

Question 5

Flexor Digitorum Superficialis

Answer 5

Origin:
Medial epicondyle of humerus, Coronoid process of ulna & Shaft of radius

Insertion:
Middle phalanges of fingers 2-5

Function:
Flexes wrist & middle phalanges of fingers 2-5

Question 6

Flexor Digitorum Profundus

Answer 6

Origin:
Proximal 3/4 of ulna & Interosseous membrane

Insertion:
Distal phalanges of fingers 2-5

Function:
Flexes distal phalanges of fingers 2-5

Question 7

Extensor Carpi Radialis Longus

Answer 7

Origin:
Lateral supracondylar ridge of humerus

Insertion:
Base of second metacarpal

Function:
Extends & abducts wrist

Question 8

Extensor Carpi Radialis Brevis

Answer 8

Origin:
Lateral epicondyle of humerus

Insertion:
Base of third metacarpal

Function:
Extends & abducts wrist

Question 9

Extensor Digitorum

Answer 9

Origin:
Lateral epicondyle of humerus

Insertion:
Extensor expansions of fingers 2-5

Function:
Extends fingers 2-5 & wrist

Question 10

Extensor Carpi Ulnaris

Answer 10

Origin:
Lateral epicondyle of humerus & Posterior border of ulna

Insertion:
Base of fifth metacarpal

Function:
Extends & adducts wrist

Question 11

Origin:
Lateral supracondylar ridge of humerus

Insertion:
Styloid process of radius

Function:
Flexes forearm

Answer 11

Brachioradialis

Question 12

Origin:
Medial epicondyle of humerus

Insertion:
Base of second & third metacarpals

Function:
Flexes and abducts wrist

Answer 12

Flexor Carpi Radialis

Question 13

Origin:
Medial epicondyle of humerus

Insertion:
Flexor retinaculum & palmar aponeurosis

Function:
Flexes wrist

Answer 13

Palmaris Longus

Question 14

Origin:
Medial epicondyle of humerus, Olecranon &posterior border of ulna

Insertion:
Pisiform, Hook of hamate, Base of fifth metacarpal

Function:
Flexes & adducts wrist

Answer 14

Flexor Carpi Ulnaris

Question 15

Origin:
Medial epicondyle of humerus, Coronoid process of ulna & Shaft of radius

Insertion:
Middle phalanges of fingers 2-5

Function:
Flexes wrist & middle phalanges of fingers 2-5

Answer 15

Flexor Digitorum Superficialis

Question 16

Origin:
Proximal 3/4 of ulna & Interosseous membrane

Insertion:
Distal phalanges of fingers 2-5

Function:
Flexes distal phalanges of fingers 2-5

Answer 16

Flexor Digitorum Profundus

Question 17

Origin:
Lateral supracondylar ridge of humerus

Insertion:
Base of second metacarpal

Function:
Extends & abducts wrist

Answer 17

Extensor Carpi Radialis Longus

Question 18

Origin:
Lateral epicondyle of humerus

Insertion:
Base of third metacarpal

Function:
Extends & abducts wrist

Answer 18

Extensor Carpi Radialis Brevis

Question 19

Origin:
Lateral epicondyle of humerus

Insertion:
Extensor expansions of fingers 2-5

Function:
Extends fingers 2-5 & wrist

Answer 19

Extensor Digitorum

Question 20

Origin:
Lateral epicondyle of humerus & Posterior border of ulna

Insertion:
Base of fifth metacarpal

Function:
Extends & adducts wrist

Answer 20

Extensor Carpi Ulnaris