Already complex structures and functions of the different movement of the joints and there are many different types of joints.
One way to classify them in those joints fixed and mobile (moving) as the ones taking the one constant is the fact, that should be some action in the form of semi-mobile joints to create an intermediate group.
Fixed joints between the bones of the skull in the field. When the eight bones of the skull of a child born unified, but the child grows, merges into the bones and the skull hardens.
Spine Semi-mobile joints. Twenty-four bones called the spine consists of vertebrae. Seven of these long (neck vertebrae), twelve of them behind the chest (thoracic vertebrae) and five at the bottom of the back (lumbar vertebrae) is located in the coccyx and below them by a switching to a bone called the sacrum is the coccyx bone. Sacrum, pelvis and ribs, skull and other bones depends on the sacroiliac eklemleriyle omurgayla are met in the joints. Figure 3 contains the schema of the spine.
United with the body organs and bodies are found in places where mobile joints. Have to move in different directions to fulfill their own functions. Some, such as hinge only move in one direction, others in two directions, or, in all directions around the axis of twisting bükülürken than others to return, has to stick in a position to go. Finally, the joints are moving over each other.