elbow and forearm

Question 1

what type of joint is the elbow?

Answer 1

hinge

Question 2

List all 3 bones in elbow and forearm

Answer 2

humerus, radius (thumb), ulna (pinky)

Question 3

List the 4 joints in elbow and forearm

Answer 3

humeroulnar (hinge), humeroradial (pivot), proximal radio-ulnar, distal radio-ulnar

Question 4

What are the two prominences at the distal end of the humerus?

Answer 4

lateral and medial epicondyle

Question 5

What 2 bones are in the forearm?

Answer 5

radius and ulna

Question 6

What are the two important landmarks of the elbow

Answer 6

trochlea( ulna), capitulum (radius)

Question 7

What are the two fossas of the elbow

Answer 7

coronoid (anterior), olecranon (posterior)

Question 8

What is the “true elbow” Joint

Answer 8

ulnohumeral (hinge) (flex and extend)

Question 9

What is the role of the capsular ligament

Answer 9

Surrounds all three joints (ulnohumeral, radiohumeral, radioulnar). It keeps fluid in

Question 10

What are the ligaments of the elbow

Answer 10

anterior band of capsular ligament, lateral band and is posterior

Question 11

Where are the collateral ligaments located

Answer 11

underneath the capsule and on the side

Question 12

What is the role of the collateral ligaments

Answer 12

provide stability from varus and valgus forces

Question 13

What force is varus

Answer 13

inside

Question 14

What force is valgus

Answer 14

lateral

Question 15

Radial collateral ligament

Answer 15

lateral

Question 16

Ulnar collateral ligament

Answer 16

medial

Question 17

What is the ligament of the forearm

Answer 17

interosseous ligament ( runs between radius and ulna)

Question 18

What is the ligament of the wrist

Answer 18

( distal radioulnar joint)

Question 19

what does the brachialis do

Answer 19

helps with elbow flexion (Posterior)

Question 20

what does the brachioradialis do

Answer 20

assists, flexor of elbow joint (posterior

Question 21

What is the role of the biceps brachii

Answer 21

primary elbow flexor (anterior)

Question 22

What is the role of the triceps brachii

Answer 22

main elbow extender (posterior)

Question 23

what is the role of the anconeus

Answer 23

synergist, fully extend (posterior)

Question 24

where is the pronator teres located

Answer 24

proximal elbow

Question 25

where is the pronator quadratus located

Answer 25

radius and ulna (distal)

Question 26

where is the supinator located

Answer 26

proximal elbow, ulna to radius (wrap around)