Forearm and Hand Part 1

Question 1

Brachialis Action

Answer 1

Flex the elbow

Question 2

Brachialis Origin

Answer 2

Distal half of anterior surface of humerus

Question 3

Brachialis Insertion

Answer 3

Tuberosity and coronoid process of the ulna

Question 4

Brachioradialis Action

Answer 4

Flex the elbow
Assist to pronate and supinate the forearm when these movements are resisted

Question 5

Brachioradialis Origin

Answer 5

Proximal two thirds of the lateral supracondylar ridge of humerus

Question 6

Brachioradialis Insertion

Answer 6

Styloid process of radius

Question 7

Extensor Carpi Radialis Longus and Brevis Action

Answer 7

Extend the wrist
Abduct the wrist
Assist to flex the wrist

Question 8

Extensor Carpi Radialis Longus and Brevis Origin: Longus and Brevis

Answer 8

Longus: Distal one third of the lateral supracondylar ridge of the humerus

Brevis: Common extensor tendon from the lateral epicondyle of humerus

Question 9

Extensor Carpi Radialis Longus and Brevis Insertion: Longus and Brevis

Answer 9

Longus: Base of the second metacarpal

Brevis: Base of the third metacarpal

Question 10

Extensor Carpi Ulnaris Action

Answer 10

Extend the wrist
Adduct the wrist

Question 11

Extensor Carpi Ulnaris Origin

Answer 11

Common extensor tendon from the lateral epicondyle of humerus

Question 12

Extensor Carpi Ulnaris Insertion

Answer 12

Base of the fifth metacarpal

Question 13

Extensor Digitorum Action

Answer 13

Extend the second through fifth fingers
Assist to extend the wrist

Question 14

Extensor Digitorum Origin

Answer 14

Common extensor tendon from the lateral epicondyle of humerus

Question 15

Extensor Digitorum Insertion

Answer 15

Base of middle and distal phalanges of second through fifth finger

Question 16

Anconeus Action

Answer 16

Extend the elbow

Question 17

Anconeus Origin

Answer 17

Lateral epicondyle of humerus

Question 18

Anconeus Insertion

Answer 18

Olecranon process and posterior, proximal surface of ulna

Question 19

Extensor Indicis Action

Answer 19

Extend the second finger
Adduct the second finger
May assist to extend the wrist

Question 20

Extensor Indicis Origin

Answer 20

Posterior surface of distal shaft of ulna and interosseous membrane

Question 21

Extensor Indicis Insertion

Answer 21

Tendon of the extenson digitorum at the level of the second metacarpal

Question 22

Carpals break down

Answer 22

Some Lovers Try Positions That They Cant Handle

Scaphoid
Lunate
Triquetrum
Pisiform
Trapezoid
Trapezium
Capitate
Hamate