Posterior Forearm Muscles

Question 1

What is the origin for Brachioradialis

Answer 1

Proximal 2/3 lateral supracondylar ridge of humerus

Question 2

Insertion for Brachioradialis

Answer 2

Distal lateral radius

Question 3

Innervation for Brachioradialis

Answer 3

radial nerve C6-8

Question 4

Action for Brachioradialis

Answer 4

Elbow flexion and forearm supination

Question 5

Origin for Extensor Carpi Radialis Longus

Answer 5

Lateral supracondylar ridge of humerus

Question 6

Insertion for Extensor Carpi Radialis Longus

Answer 6

Metacarpal 2

Question 7

Innervation for Extensor Carpi Radialis Longus

Answer 7

radial nerve C6-8

Question 8

Action for Extensor Carpi Radialis Longus

Answer 8

wrist extension and radial deviation

Question 9

Origin for Extensor Capri Radialis Brevis

Answer 9

lateral epicondyle of humerus

Question 10

insertion for Extensor Capri Radialis Brevis

Answer 10

metacarpal 3

Question 11

Innervation for Extensor Capri Radialis Brevis

Answer 11

Radial nerve c6-8

Question 12

Action for Extensor Capri Radialis Brevis

Answer 12

Wrist extension, radial deviation

Question 13

Origin for Extensor Digitorum Communis

Answer 13

Lateral epicondyle of the humerus

Question 14

insertion for Extensor Digitorum Communis

Answer 14

Middle and distal phalanges of digits 2-5

Question 15

Innervation for Extensor Digitorum Communis

Answer 15

Radial Nerve C6-8

Question 16

Action for Extensor Digitorum Communis

Answer 16

Extends digits 2-5

Question 17

Origin for Extensor Digiti minimi

Answer 17

Lateral epicondyle of the humerus

Question 18

Insertion for Extensor Digiti Minimi

Answer 18

Middle and distal phalanx of digit 5

Question 19

Origin for Extensor Capri Ulnaris

Answer 19

Lateral epicondlye of the humerus, posterior surface of the ulna

Question 20

Insertion for Extensor Capri Ulnaris

Answer 20

Metacarpal 5

Question 21

Innervation for Extensor Capri Ulnaris

Answer 21

Radial Nerve C6-8

Question 22

Action for Extensor Capri Ulnaris

Answer 22

Wrist Extension, ulna deviation

Question 23

Innervation for Extensor Digiti Minimi

Answer 23

Radial Nerve C6-8

Question 24

Action for Extensor Digiti Minimi

Answer 24

Extend digit 5

Question 25

Origin for Abductor Pollicis Longus

Answer 25

Posterior surface of radius, ulna, Interosseous membrane

Question 26

Insertion for Abductor Pollicis Longus

Answer 26

Metacarpal 1

Question 27

Innervations for Abductor Pollicis Longus

Answer 27

Radial Nerve C6-8

Question 28

Action for Abductor Pollicis Longus

Answer 28

Thumb abduction

Question 29

Origin for Extensor pollicis brevis

Answer 29

Posterior surface of the radius and interosseous membrane

Question 30

Insertion for Extensor pollicis brevis

Answer 30

Proximal phalanx digit 1

Question 31

Innervation for Extensor pollicis brevis

Answer 31

Radial Nerve C6-8

Question 32

Action for Extensor pollicis brevis

Answer 32

Thumb extension

Question 33

Origin for Extensor pollicis longus

Answer 33

posterior 1/3 of the ulna and interosseous membrane

Question 34

Insertion of Extensor pollicis longus

Answer 34

distal phalanx 1

Question 35

innervation for Extensor pollicis longus

Answer 35

radial nerve C6-8

Question 36

action for Extensor pollicis longus

Answer 36

thumb extension

Question 37

Origin for Extensor Indicis

Answer 37

Posterior surface of ulna, interosseous membrane

Question 38

insertion for Extensor Indicis

Answer 38

middle and distal phlanax digit 2

Question 39

innervation for Extensor Indicis

Answer 39

Radial nerve C6-8

Question 40

Action Extensor Indicis

Answer 40

Extend digit 2

Question 41

Origin for Supinator

Answer 41

Lateral epicondyle, posterior ulna

Question 42

Insertion for supinator

Answer 42

proximal lateral radius

Question 43

innervation for supinator

Answer 43

radial nerve

Question 44

action for supinator

Answer 44

supinates the forearm