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Joint , from the Latin word articulatio, is the act and the result of articulating : the union or the combination of different elements that grant a certain freedom to each one. An articulation, in this framework, can be the link established between two pieces and that makes possible the movement of both.

In the field of anatomy , it is called articulation to the mobile or fixed union which establishes a bone with another, with a cartilage or with the teeth. These joints allow people and animals to carry out mechanical movements and for the body to have greater plasticity and elasticity.

If we consider what is the degree of mobility in particular of the joint we have to underline that three different types are established:
-The mobile or synovial, which offer a wide range of movement to the bones and are those that predominate in the human body.
-The semi-mobile, which have poor mobility and that join through what is a cartilage.
-The motionless, also known as synarthrosis. They are rigid and therefore have no mobility. We find some of those joints in areas such as the nose or the brain.

In the knee and elbow, for example, there are joints. It is called arthritis to the medical specialty dedicated to the analysis of joints, which can suffer various disorders: osteoarthritis (generated by the wear of the cartilage ), arthritis (inflammation of a joint) and others.

However, we cannot ignore the existence of another long list of problems and pathologies that can affect the joints. We are referring to some such as the following:
-Dislocations, which are injuries that are identified by the fact that the joints leave the bones.
-Bursitis, which becomes an inflammation of a fluid bag that comes to protect the joint.
-The sprain, which is one of the most common pathologies that take place with the joints. It occurs when, when a movement is made, they are damaged, specifically the ligaments and the capsules they possess. The result of this situation is that the joint swells bluntly, so it will be necessary to be treated by the doctor. In the most blunt cases, you will opt for the use of plaster or even surgical intervention.

In the same way, we must not forget other conditions that affect the joints such as hip dysplasia, tenosynovitis, meniscus rupture ...

The botany also appeals to the notion of articulation to name the union of different parts of the plants . There are joints between the trunk and the branches and between the branches and the petiole, to name a few cases.

It is called articulation, on the other hand, to the pronunciation of the terms and to the position and displacement of the organs when speaking. Through the phonation , he human being It sets in motion a series of muscles and structures that allow the emission of intelligible sounds: that is, the articulation of words.

In the field of music Finally, articulation is linked to how the transition between sounds is performed.

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