Elbow & Radioulnar

Question 1

What does the annular ligament do?

Answer 1

It maintains the radial head

Question 2

What holds together the shaft of the radius and ulna?

Answer 2

Interosseus membrane

Question 3

Elbow movements?

Answer 3

Flextion and Extension

Question 4

Radioulnar movements?

Answer 4

Pronation and Supination

Question 5

What is the definition of pronation?

Answer 5

When the radius and ulna cross aka palm up

Question 6

What is the definition of supination?

Answer 6

When the radius and und parallel aka palm down

Question 7

Elbow flexors

Answer 7

Bicep brachii, brachialis, and brachioradialis

Question 8

Elbow extensors

Answer 8

Tripe brachii and Aconeus

Question 9

Radioulnar pronators

Answer 9

Pronator teres and pronator quadratus

Question 10

Radioulnar supinators

Answer 10

Supinator and Bicep brachii

Question 11

What is the insertion of the bicep brachii long head?

Answer 11

The superglenoid tubercle

Question 12

What is the insertion of the bicep brachii short head?

Answer 12

The coracoid process

Question 13

What is the origin of the bicep brachii?

Answer 13

The radial tuberosity of the radius

Question 14

What is the insertion of the brachialis?

Answer 14

The coranoid process of the ulna

Question 15

Where does the brachialis originate?

Answer 15

The distal half of anterior portion of the humerus

Question 16

Where does the brachioradialis originate?

Answer 16

Distal two thirds of the lateral epicondyle

Question 17

Where does the brachioradialis insert

Answer 17

The radial styloid process

Question 18

Where does the long head of the tricep brachii originate?

Answer 18

The infraglenoid tubercle of the scapula

Question 19

Where does the short head of the triceps brachii originate?

Answer 19

Upper half of posterior surface of the humerus

Question 20

Where does the triceps brachii insert?

Answer 20

0lecrannon process of the ulna

Question 21

Where does the aconeus originate?

Answer 21

Posterior surface of lateral condyle

Question 22

Where does the aconeus insert?

Answer 22

Olecrannon process

Question 23

Where is the first origin of the supinator?

Answer 23

Lateral epicondyle of humerus

Question 24

Where is the second origin of the supinator?

Answer 24

Posterior part of the ulna

Question 25

Where does the supinator insert?

Answer 25

Lateral surface of proximal radius (just below the head)

Question 26

Where does the pronator teres originate?

Answer 26

Distal part of the medial condyloid ridge of humerus

Medial side of proximal ulna

Question 27

Where does the pronator teres insert?

Answer 27

Middle third of lateral surface of radius

Question 28

Where does the pronator quadratus originate?

Answer 28

distal fourth of anterior side of ulna

Question 29

Where does the pronator quadratus insert?

Answer 29

Distal fourth of anterior radius

Question 30

Actions of the bicep brachii?

Answer 30

Flextion & supination

Question 31

Primary actions of the brachioradialis & brachialis?

Answer 31

Elbow flextion

Question 32

Which bone & landmark articulate with the trochlea?

Answer 32

Bone - ulna
Landmark - trochlear notch

Question 33

Which bone and landmark articulate with the capitate?

Answer 33

Bone - radius
Landmark - radial head

Question 34

What ligament crosses over the ulna to medial epicondyle?

Answer 34

Ulnar collateral ligament

Question 35

What ligament goes from the trochlea notch over the radial head to the lateral epicondyle?

Answer 35

Annular ligament

Question 36

What are the shoulder joint muscles?

Answer 36

biceps triceps Lattimus dorsi pec major Terrace major Terrace minor subscapularis infraspinatus supraspinatus coracobrachialis deltoid

Question 37

what are the shoulder girdle muscles?

Answer 37

 rhomboids, trapezius, serratus anterior, subclavius, Levator scalpulae, pec minor 

Question 38

shoulder girdle rules

Answer 38

1. originate on the axle skeleton
2. do not attach on the humerus
3. insert on scapula and clavicle

Question 39

shoulder joint rules?

Answer 39

1. originate on the clavicle and scapula
2. insert on humerus
3. move the humerus