Upper Extremity Joints

Question 1

Synovial Joint General Stuctures (5 things)

Answer 1

Articular cartilage
Synovial cavity
Articular capsule

Question 2

Articular cartilage (synovial joint general structure) 
2 actions

Answer 2

Covers opposing bones

Shock absorption

Question 3

Synovial cavity has what in it

Answer 3

It is filled with synovial fluid

Question 4

Articular capsule (synovial joint) 
4 actions

Answer 4

Double lined fibrous capsule
Periosteum of the articulating bones
Covers all non hyaline internal joint surfaces

Question 5

Synovial fluid (s joint)

Answer 5

Occupies all free space
Reduces friction between cartilage
Lubricates fluid into cartilage on movement

Question 6

Reinforcing ligaments (synovial joint structure)

Answer 6

Intrinsic - thick capsule
Extracapsular - outside capsule
Inteacapsular - deep capsule

Question 7

Acromioclavicular ligament

Answer 7

Attaches collarbone with acromion

Question 8

Coracohumeral ligament

Answer 8

Strengthens the upper part of the shoulder joint capsule

Question 9

Glenohumeral ligaments

Answer 9

3 ligaments between the scapula and humerus (bicep bone)

Question 10

Transverse humeral ligament

Answer 10

Keeps the humerus in place from popping out of the bicipital groove

Question 11

Coracoclavicular ligament

Answer 11

Connects clavicle with scapula

Question 12

Glenohumeral joint is also called

Answer 12

The shoulder joint

Question 13

Radial annular ligament

Answer 13

Strong band of fibers that connects the radius with the ulna

Question 14

Ulnar collateral ligament

Answer 14

Connects the ulna and the humerus

Question 15

Radial collateral ligament

Answer 15

Ligament in the elbow on the side of the radius

Question 16

Wrist joint includes

Answer 16

Is complex and includes
Distal ends of radius and ulna
8 carpal bones
Portions of 5 metacarpals