Question

explain the different types of movable joints seen in the human body​

Answer 1

Explanation:

A joint is the part of the body where two or more bones meet to allow movement. Generally speaking, the greater the range of movement, the higher the risk of injury because the strength of the joint is reduced. The six types of freely movable joint include ball and socket, saddle, hinge, condyloid, pivot and gliding

Answer 2

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On the basis of movement the following types of movable joints are as:

• (i) Ball and socket joint: In this type of joint the ball-shaped head of a bone is fitted in such a manner in the socket made by another bone, Which allows free movement in all directions. For example, the joint between the head of the humerus and glenoid cavity of the pectoral girdle.

• (ii) Pivot joint: In Pivot joint, a pointed end of a bone is fitted in a pit of another bone is such manner that the later can show rotational movement around the former. For example, the joint between axis vertebra and atlas vertebra holding the skull.

• (iii) Hinge joint: At such joints, one bone can move in one direction up to a certain limit, like the hinge of doors and windows. For example, Knee, elbow etc.

• (iv) Saddle joint: This joint is like ball and socket joint but; less developed. 'There is no free movement of the ball inside the socket, only a limited movement is allowed. For example, metacarpal of thumb and trapezium of the wrist.

• (v) Gliding joints: In gliding joints the surfaces of bones at the joint are flat, so the bones glide over each other. Example, tibia, and fibula, between articular processes

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