Types of synovial joints

Question 1

types of synovial joints

Answer 1

planar, hinge, pivot, condyloid, saddle, ball and socket

Question 2

planar

Answer 2

• two flat surfaces rubbing against one another
• side to side and back and forth sliding movements
• ex. intercarple joints
• 1 degree of freedom

Question 3

hinge

Answer 3

• 2 convex surface projections fitting into 2 concave surface depressions
• flex and extend
• ex. elbow
• 1 degree of freedom

Question 4

pivot

Answer 4

• process of one bone through the ring of another bone
• rotation around the process
• ex. radioulnar joint
• 1 degree of freedom

Question 5

condyloid

Answer 5

• oval shaped end of one bone fits into oval cavity of another bone
• ex. wrist
• 2 degrees of freedom

Question 6

saddle

Answer 6

• single convex surface fitting into a deep concave surface
• ex. trapezium into first metacarpal
• 2 degrees of freedom

Question 7

ball and socket

Answer 7

• shaped like a ball in a cup
• ex. shoulder
• 3 degrees of freedom