Describe the functions of joints and human skeleton ?

Answer Posted / maria bernus

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

Ball and socket joint :-When a part is capable of making an
all round movement ?up and down and sideways- this is
possible by a joint of this kind. The leg can be moved in
any direction, sideways, up and down

Gliding joint :-An example of this kind of joint is the
movement of the wrist. At the wrist there are a number of
small boned which glide one over the other, when we turn our
palm upwards or downwards.

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