Test #2- Name the origin, insertion, or action!

Question 1

Origin of Extensor Carpi Radialis Longus

Answer 1

Lateral supracondylar ridge of humerus

Question 2

Origin of Extensor Carpi Radialis Brevis

Answer 2

Lateral epicondyle of humerus

Question 3

Origin of Anconeuss

Answer 3

Lateral epicondyle of humerus (posterior aspect)

Question 4

Origin of Extensor Carpi Ulnaris

Answer 4

Lateral epicondyle of humerus

Question 5

Origin of Extensor Digitorum Communis

Answer 5

Lateral epicondyle of humerus (via Common Flexor Tendon)

Question 6

Origin of Pronator Teres

Answer 6

Humeral head: medial epicondyle of humerus

Ulnar head: coronoid process of ulna

Question 7

Origin of Flexor Digitorum Superficialis

Answer 7

Common Flexor Tendon, coronoid process, radial shaft, ulnar collateral ligament

Question 8

Origin of Flexor Carpi Radialis

Answer 8

Medial epicondyle of humerus

Question 9

Origin of Flexor Carpi Ulnaris

Answer 9

Humeral head: medial epicondyle of humerus (via Common Flexor Tendon)
Ulnar head: proximal 2/3 of ulna

Question 10

Origin of Palmaris Longus

Answer 10

Medial epicondyle of humerus

Question 11

Origin of Brachioradialis

Answer 11

Lateral supracondylar ridge of the humerus

Question 12

Origin of Flexor Digitorum Profundus

Answer 12

Proximal 3/4 of ulna

Question 13

Origin of Extensor Pollicis Longus

Answer 13

Posterior surface of ulna and interosseous membrane

Question 14

Origin of Supinator

Answer 14

Radial collateral ligament, annular ligament, and supinator crest of the ulna

Question 15

Origin of Abductor Pollicis Longus

Answer 15

Posterior surface of radius and ulna, and interosseous membrane

Question 16

Origin of Flexor Pollicis Longus

Answer 16

Anterior radius and interosseous membrane

Question 17

Origin of Extensor Pollicis Brevis

Answer 17

Posterior surface of radius and interosseous membrane

Question 18

Origin of Pronator Quadratus

Answer 18

distal ulna

Question 19

Insertion of Flexor Digitorum Profundus

Answer 19

base of distal phalanges of fingers 2-5

Question 20

Insertion of Flexor Pollicis Longus

Answer 20

base of distal phalange of thumb

Question 21

Insertion of Pronator Quadratus

Answer 21

distal radius

Question 22

Insertion of Brachioradialis

Answer 22

base of styloid process of the radius

Question 23

Insertion of Extensor Pollicis Longus

Answer 23

distal phalanx of thumb

Question 24

Insertion of Extensor Pollicis Brevis

Answer 24

proximal phalanx of thumb

Question 25

Insertion of Abductor Pollicis Longus

Answer 25

base of first metacarpal (radial side)

Question 26

Insertion of Supinator

Answer 26

lateral surface of proximal shaft of radius

Question 27

Insertion of Pronator Teres

Answer 27

middle of lateral surface of radius

Question 28

Insertion of Extensor Carpi Radialis Longus

Answer 28

dorsal surface of base of 2nd metacarpal

Question 29

Insertion of Flexor Carpi Radialis

Answer 29

base of 2nd and 3rd metacarpal

Question 30

Insertion of Extensor Carpi Radialis Brevis

Answer 30

dorsal surface, base of 3rd metacarpal (on radial side)

Question 31

Insertion of Palmaris Longus

Answer 31

palmar aponeurosis and flexor retinaculum

Question 32

Insertion of Extensor Digitorum Communis

Answer 32

dorsal surfaces and base of middle (central bands) and distal (lateral bands) of 2nd-5th fingers

Question 33

Insertion of Flexor Carpi Ulnaris

Answer 33

pisiform bone, hamate, and base of 5th metacarpal

Question 34

Insertion of Extensor Carpi Ulnaris

Answer 34

base of 5th metacarpal

Question 35

Insertion of Flexor Digitorum Superficialis

Answer 35

middle phalanx of fingers 2-5

Question 36

Insertion of Anconeus

Answer 36

lateral aspect of olecranon and proximal ulna

Question 37

Actions of Pronator Teres

Answer 37

forearm pronation, elbow flexion (weak)

Question 38

Actions of Flexor Carpi Radialis

Answer 38

flexion of wrist, radial deviation (weak)

Question 39

Actions of Palmaris Longus

Answer 39

flexion of wrist, tension of palm

Question 40

Actions of Flexor Carpi Ulnaris

Answer 40

flexion of wrist, ulnar deviation

Question 41

Actions of Flexor Digitorum Superficialis

Answer 41

flexion of CM, MP, PIP joints of fingers 2-5

Question 42

Actions of Extensor Carpi Radialis Longus

Answer 42

wrist extension and radial deviation

Question 43

Actions of Extensor Carpi Radialis Brevis

Answer 43

wrist entension, radial deviation (weak)

Question 44

Actions of Extensor Digitorum Communis

Answer 44

extensions of fingers 2-5

Question 45

Actions of Extensor Carpi Ulnaris

Answer 45

wrist extension and ulnar deviation

Question 46

Actions of Anconus

Answer 46

extension of elbow

Question 47

Actions of Flexor Digitorum Profundus

Answer 47

flexion of CM, MP, PIP, and DIP joints

Question 48

Actions of Brachioradialis

Answer 48

flex the elbow, pronate, supinate

Question 49

Actions of Supinator

Answer 49

supinate the forearm

Question 50

Actions of Abductor Pollicis Longus

Answer 50

thumb aBduction and extension

Question 51

Actions of Extensor Pollicis Brevis

Answer 51

Extension of MP joint of thumb (and by extension, MP joint of thumb, and extension and radial deviation of the wrist)

Question 52

Actions of Extensor Pollicis Longus

Answer 52

Extension of IP joint of thumb (and by extension, MCP joint of thumb, and extension and radial deviation of the wrist)

Question 53

Actions of Flexor Pollicis Longus

Answer 53

Flexion of thumb

Question 54

Actions of Pronator Quadratus

Answer 54

pronation