rite about the types of synovial joints in details with suitable example

Synovial joints, also known as diarthroses, are the most common and most movable type of joint in the body of a mammal. They are distinguished from cartilaginous and fibrous joints by the presence of a cavity within the joint, the synovial cavity, which is filled with synovial fluid. This fluid lubricates the joint, reducing friction between the bones and allowing for greater movement. There are six types of synovial joints:

1. Pivot Joints: These allow for rotation around an axis. For example, the joint between the first and second vertebrae in the neck that allows the head to move back and forth.

2. Hinge Joints: These joints work like a door hinge, allowing movement in one direction. The elbow and knee are examples of hinge joints.

3. Saddle Joints: These joints allow movement in two directions, like a saddle. An example is the joint at the base of the thumb.

4. Plane Joints: These joints allow for gliding or sliding movements, and are found between the tarsal bones of the foot and the carpal bones of the wrist.

5. Condyloid Joints: Also known as ellipsoidal joints, these allow for movement in two directions. An example is the joint between the metacarpal bones and the phalanges in the fingers.

6. Ball and Socket Joints: These joints allow for the most movement in all directions and rotation. The hip and shoulder joints are examples of ball and socket joints.

Each of these joints allows for different types and degrees of movement, and they all play a crucial role in the mobility and flexibility of the body.