The Forearm and Elbow

Question 1

The forearm consists of the…..

Answer 1

radius & ulna

Question 2

the distal radial ulnar joint does what motion?

Answer 2

supination & pronation

Question 3

The radius and ulna are held together by what?

Answer 3

interosseous membrane

Question 4

The elbow consists of what 3 bones?

Answer 4

1) humerus
2) radius
3) ulna

Question 5

The elbow joint is what type of joint?

Answer 5

uniaxial

Question 6

What motion does the elbow allow?

Answer 6

flexion & extension

Question 7

What muscle inserts on the radial tuberosity?

Answer 7

biceps brachii

Question 8

The radius is on what side of the arm when in the anatomical position?

Answer 8

LATERAL side

Question 9

The ulna is on what side of the arm when in the anatomical position?

Answer 9

MEDIAL side

Question 10

The ulna is what type of bone?

Answer 10

a stable bone

Question 11

(Musculocutaneous Nerve) the biceps ______ the elbow and ______ the forearm

Answer 11

flexes; supinates

Question 12

(Musculocutaneous Nerve) the coracobrachialis ______ and ______ the humerus

Answer 12

flexes; abducts

Question 13

the distal radial nerve innervates……

Answer 13

the finger and thumb

Question 14

Which nerve doesn’t innervate any muscles of the elbow or forearm?

Answer 14

proximal ulnar nerve

Question 15

What is the strongest elbow flexor when the palm is pronated?

Answer 15

brachialis

Question 16

What is the most effective flexor with the forearm in neutral?

Answer 16

brachioradialis

Question 17

What flexes the elbow and supinates the forearm?

Answer 17

biceps

Question 18

what holds the radius and the ulna together and stabilizes the joint during supination and pronation movements?

Answer 18

annular ligament

Question 19

What is the extensor of the elbow?

Answer 19

triceps

Question 20

What are the pronators of the elbow?

Answer 20

1) pronator teres

2) pronator quadratus

Question 21

What are the supinators of the elbow?

Answer 21

1) biceps

2) supinator