Anterior Forearm And Hand

Question 1

What are the three radioulnar joints?

Answer 1

Proximal (annular ligament), middle (interosseous membrane), distal (ant. and post. radioulnar ligaments)

Question 2

What is the motion of the radioulnar joints?

Answer 2

Axial rotation (pronation and supination)

Question 3

Only the _________ moves during pronation and supination

Answer 3

Radius

Question 4

What type of joints are found between the bones of the wrist?

Answer 4

Synovial joints

Question 5

What are the 8 bones of the wrist from proximal to distal?

Answer 5

Scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, trapezium

Question 6

What type of joint is the wrist joint?

Answer 6

Synovial; condyloid

Question 7

What bones are involved in the wrist joint?

Answer 7

Scaphoid, lunate, triquetrum

Question 8

What are the motions of the wrist joint?

Answer 8

Flexion/extension, abduction/adduction, circumduction

Question 9

What do digits consist of?

Answer 9

Phalanges and metacarpals

Question 10

What type of joint is the metacarpophalangeal joint?

Answer 10

Condyloid

Question 11

What movements come from the metacarpophalangeal joints?

Answer 11

Flexion/extension, adduction/abduction

Question 12

What type of joint is the interphalangeal joint?

Answer 12

Hinge

Question 13

What movement does the interphalangeal joint allow?

Answer 13

Flexion/extension

Question 14

What type of joint is the carpometacarpal joint I?

Answer 14

Saddle

Question 15

What movement does the carpometacarpal joint I allow?

Answer 15

Abduction/adduction, flexion/extension, opposition

Question 16

What type of joint are the carpometacarpal joints II-V?

Answer 16

Condyloid

Question 17

What innervates the anterior forearm?

Answer 17

Median and ulnar nerve

Question 18

What are the 4 superficial muscles of the anterior forearm?

Answer 18

Pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris

Question 19

What are the actions of superficial muscles of the anterior forearm?

Answer 19

Wrist flexion and pronation

Question 20

Which muscle is intermediate in the anterior compartment?

Answer 20

Flexor digitorum superficialis

Question 21

What is the action of the FDS?

Answer 21

Wrist flexion

Question 22

What are the deep muscles of the anterior compartment?

Answer 22

Flexor pollicis longus, flexor digitorum profondus and pronator quadratus

Question 23

What are the actions of the deep muscles?

Answer 23

Wrist flexion and pronation