Wrist and Hand

Question 1

Flexor Carpi Radialis Origin

Answer 1

Medial epicondyle of humerus

Question 2

Flexor Carpi Radialis Insertion

Answer 2

Anterior surface of base of 2nd and 3rd metacarpals

Question 3

Flexor Carpi Radialis Actions

Answer 3

Wrist flexion and wrist abduction

Question 4

Palmaris Longus Origin

Answer 4

Medial epicondyle of the humerus

Question 5

Palmaris Longus Insertion

Answer 5

Palmar aponeurosis of the 2nd - 5th metacarpals

Question 6

Palmaris Longus Actions

Answer 6

Wrist flexion

Question 7

Flexor Carpi Ulnaris Origin

Answer 7

Medial epicondyle of humerus, posterior aspect of the proximal ulna

Question 8

Flexor Carpi Ulnaris Insertion

Answer 8

Anterior surface of pisiform, hamate, base of 5th metacarpal

Question 9

Flexor Carpi Ulnaris Action

Answer 9

Wrist flexion and wrist adduction

Question 10

Extensor Carpi Ulnaris Origin

Answer 10

Lateral epicondyle of humerus, middle two-fourths of the posterior border of ulna

Question 11

Extensor Carpi Ulnaris Insertion

Answer 11

Posterior surface of base of 5th metacarpal

Question 12

Extensor Carpi Ulnaris Actions

Answer 12

Wrist extension and wrist adduction

Question 13

Extensor Carpi Radialis Brevis Origin

Answer 13

Lateral epicondyle of humerus

Question 14

Extensor Carpi Radialis Brevis Insertion

Answer 14

Posterior surface of base of 3rd metacarpal

Question 15

Extensor Carpi Radialis Brevis Actions

Answer 15

Wrist extension, wrist abduction

Question 16

Extensor Carpi Radialis Longus Origin

Answer 16

Distal 1/3 of lateral supracondylar ridge of humerus and lateral epicondyle of humerus

Question 17

Extensor Carpi Radialis Longus Insertion

Answer 17

Posterior surface of base of 3rd metacarpal

Question 18

Extensor Carpi Radialis Longus Actions

Answer 18

Wrist extension, wrist abduction

Question 19

Flexor Digitorum Superficialis Origin

Answer 19

Medial epicondyle of humerus, medial coronoid process on ulnar head, upper 2/3 of anterior border of radius just distal to the radial tuberosity

Question 20

Flexor Digitorum Superficialis Insertion

Answer 20

Each tendon splits and attaches to the sides of the anterior surface of the middle phalanx of the four fingers

Question 21

Flexor Digitorum Superficialis Actions

Answer 21

Finger flexion at MCP and PIP joints, wrist flexion

Question 22

Flexor Digitorum Profundus Origin

Answer 22

Proximal 3/4 of the anterior and medial ulna

Question 23

Flexor Digitorum Profundus Insertion

Answer 23

Base of the distal phlanxes of the four fingers

Question 24

Flexor Digitorum Profundus Actions

Answer 24

Finger flexion at MCP, PIP, and DIP joints, wrist flexion

Question 25

Flexor Pollis Longus Origin

Answer 25

Middle anterior surface of radius and anterior medial border of ulna just distal to the coronoid process

Question 26

Flexor Pollis Longus Insertion

Answer 26

Anterior surface of base of distal phalanx of thumb

Question 27

Flexor Pollis Longus Actions

Answer 27

Thumb flexion at CMC, MCP and IP joints, wrist flexion wrist abduction

Question 28

Extensor Digitorum Origin

Answer 28

Lateral epicondyle of humerus

Question 29

Extensor Digitorum Insertion

Answer 29

Four tendons to posterior surface of bases of middle and distal phalanges of the four fingers

Question 30

Extensor Digitorum Actions

Answer 30

Extension of 2nd, 3rd, 4th, and 5th phalanges at MCP joints, wrist extension

Question 31

Extensor Indicis Origin

Answer 31

Between middle and distal 1/3 of posterior ulna

Question 32

Extensor Indicis Insertion

Answer 32

Posterior surface of base of the middle and distal phalanges of the 2nd phalange

Question 33

Extensor Indicis Actions

Answer 33

Extension of index finger at MCP joint

Question 34

Extensor Digiti Minimi Origin

Answer 34

Lateral epicondyle of humerus

Question 35

Extensor Digiti Minimi Insertion

Answer 35

Posterior surface of base of middle and distal phalanges of 5th phalage

Question 36

Extensor Digiti Minimi Action

Answer 36

Extension of little finger at MCP joint

Question 37

Extensor Pollicis Longus Origin

Answer 37

Posterior lateral surface of lower middle ulna

Question 38

Extensor Pollicis Longus Insertion

Answer 38

Posterior surface of base of distal phalanx of the thumb

Question 39

Extensor Pollicis Longus Actions

Answer 39

Extensor of thumb at CMC, MCP, and IP joints, wrist extension, wrist abduction

Question 40

Extensor Pollicis Brevis Origin

Answer 40

Posterior Surface of the lower middle radius

Question 41

Extensor Pollicis Brevis Insertion

Answer 41

Posterior surface of base of the proximal phalanx of thumb

Question 42

Extensor Pollicis Brevis Actions

Answer 42

Extension of thumb at CMC and MCP joints, wrist abduction

Question 43

Abductor Pollicis Longus Origin

Answer 43

Posterior aspect of the radius and midshaft of the ulna

Question 44

Abductor Pollicis Longus Insertion

Answer 44

Posterior surface of base of the first metacarpal

Question 45

Abductor Pollicis Longus Actions

Answer 45

Abduction of the thumb at CMC joint, wrist abduction, thumb extension at CMC joint