Types of synovial joint, Biology

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TYPES OF SYNOVIAL JOINT -

1.      BALL AND SOCKET JOINT -

One bone forms a ball like head that fits into a socket formed in the other bone.

Movement is possible in all directions e.g. humerus and pectoral girdle.

 

1249_ball and sucket joint.png                                                           408_ball and sucket joint1.png

2.      HINGE JOINT -

The joint allows movement in one plane only, eg. knee joint, elbow joint, ankle joint and joint between phalanges.

1624_hinge joint.png                                                   151_hinge joint1.png                 

3.      ANGULAR, ELLIPSOID OR CONDYLOID JOINT -

It allows movement in 2 directions, side to side and back to forth. oval condyle of one bone fits to concavity of other bone e.g. skull & vertberae.

4.      GLIDING -

It permits sliding movment of two bones on each other, eg. in wrist, in ankle.

1808_gliding.png                                                         1996_gliding1.png

5.      PIVOT JOINT -

It allows only a rotary movment of the one bone on the other, which remains stationary. e.g. between atlas and axis vertebrae, between head of radius and capitulum of humerus.

 937_pivot joint.png                                                      1309_saddle point.png

 

6.      SADDLE JOINT -

It resembles to ball and sucket but less developed e.g. between meta carpel and carpel of thumb.

1809_saddle point1.png


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