The place of attachment between two or more bones is known

as a joint. All the joints of the body are capable of

movement except for the joints of the bones of cranium,

which houses the brain.

There are various kinds of movable

joints depending upon the movements they perform. Thus the

knee joint is like a hinge, which allows the lower keg to

move up or down, but not sideways. Following are different

kinds of joints

1. Hinge-joint

2. Pivot-joint

3. Ball and socket joint

4. Gliding joint

(1)Hinge- joint :-This allows the movement of the part of

body in one direction ?up or sown but not sideways. Example

of this joint are knee-joint, elbow-joint, movement of the

lower jaw.

(2)Pivot joint :-As the name suggests, this kind of joint

permits pivotal movement of the parts of body this joined.

Movement of the skull is an example. A man can turn his head

from one side to the other by rotating the skull, which is

joined to the backbone at its top in such a way that a

pivotal movements is possible