Joints

Question 1

What is the definition of a joint?

Answer 1

The articulation or union of two or more bones

Question 2

What are the three types of joint?

Answer 2

1. Fibrous
2. Cartilaginous
3. Synovial

Question 3

What are three types of fibrous joint?

Answer 3

1. Sutures
2. Syndesmosis
3. Gomphosis

Question 4

What are sutures?

Answer 4

Allow skull to get smaller at birth

Question 5

What is syndesmosis?

Answer 5

A partially moveable joint where two adjacent bones are attached by an interosseous membrane

Question 6

What is gomphosis?

Answer 6

The joint which joins a root of a tooth to maxillary or mandibular alveolar process

Question 7

Give two examples of syndesmosis

Answer 7

Radius and Ulna

Tibia and Fibula

Question 8

What are the two types of cartilaginous joint?

Answer 8

Primary/Synchondroses

Secondary/Symphysis

Question 9

What is a fibrous joint?

Answer 9

A joint which is composed of fibrous connective tissue

Question 10

What is synchondroses?

Answer 10

Synchondroses is a plate of hyaline cartilage which joins two endochondral bones and fuses after adolescence

Question 11

What is symphysis?

Answer 11

Symphysis is a partially moveable joint where two opposing bones are lined with hyaline cartilage and separated by fibrocartilage

Question 12

Give an example of synchondroses

Answer 12

Epiphyseal growth plate

Question 13

Give 2 examples of symphysis

Answer 13

1. Pubis Symphysis

2. Intervertebral Discs

Question 14

Name 2 differences between synchondroses and symphysis?

Answer 14

1. Synchondroses has only hyaline cartilage while symphysis has fibrocartilage too
2. Symphysis is partially moveable

Question 15

Give 4 features of a synovial joint

Answer 15

1. Freely moveable
2. Articular cartilage coats bone surfaces
3. Joint cavity containing synovial fluid
4. Cavity lined by synovial membrane

Question 16

Name the 3 types of synovial joint

Answer 16

1. Uniaxial
2. Biaxial
3. Multiaxial

Question 17

Classify the hip/shoulder joint

Answer 17

Synovial
Multiaxial
Ball and Socket

Question 18

Classify the wrist joint

Answer 18

Synovial
Biaxial
Ellipsoid

Question 19

Classify the metacarpophalangeal joint of the four fingers

Answer 19

Synovial
Biaxial
Condyploid

Question 20

Classify the metacarpophalangeal joint of the thumb

Answer 20

Synovial
Biaxial
Saddle

Question 21

Classify the zygapophysial/acromiaclavicular joint

Answer 21

Synovial
Uniaxial
Plane

Question 22

Classify the elbow joint

Answer 22

Synovial
Uniaxial
Hinge

Question 23

Classify the superior radioulnar joint

Answer 23

Synovial
Uniaxial
Pivot

Question 24

What 3 things provide stability for synovial joints

Answer 24

1. Muscle
2. Bones
3. Ligaments