Classification Of Joints

Question 1

Structural classification of joints

Answer 1

Fibrous joints - sutures , gomphosis and syndesmosis

Cartilaginous joints - primary or synchrondrosis
Secondary or symphysis

Synovial joint - 
Hinge joint 
Saddle joint 
Ball and socket joint
Ellipsoid 
Condylar 
Pivot 
Plane joints

Question 2

Classification according to degree of mobility

Answer 2

Synarthroses
Amphiarthroses
Diarthroses

Question 3

Synarthroses

Answer 3

Immovable joint. Fixed joint. The articular surfaces are covered by tough fibrous tissue. The bones are often dovetailed into each other as seen in the skull

Question 4

Amphiarthroses

Answer 4

Slightly movable joint . The articulating bones are covered by hyaline cartilage. A pad of fibrocartilage lies between the bone surfaces , and there are fibrous ligaments to hold the bones amd cartilages in place. The cartolage also acts as a shock absorber. Eg intervertebral discs between the vertebrae