Question

WHAT ARE
I. PIVOTEL JOINT
II. BALL AND SOCKET JOINTS
III. HINGE JOINTS
IV. FIXED JOINTS
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Answer 1

Answer:

Pivotal Joints

In this type of joint, one bone has tapped into the other in such a way that full rotation is not possible. This joint aid in sideways and back-forth movement. An example of a pivotal joint in the neck.

Hinge Joints

Hinge joints are like door hinges, where only back and forth movement is possible. Example of hinge joints is the ankle, elbows, and knee joints.

Ball and Socket Joints

Here, one bone is hooked into the hollow space of another bone. This type of joint helps in rotatory movement. An example ball and socket joint are the shoulders.

Fixed joints are fibrous joints that do not move. They are usually formed from collagen. Many of these joints are found in the cranium. Any fibrous...

Explanation:

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