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Symptoms of disease - violation of movement coordination

The term «coordination» is derived from the Latin coordinatio - interaction ordering. Under the coordination of the movements understand the processes of harmonization of the activity of the muscles of the body, aimed at successful implementation of the motor tasks.

For the Central nervous system of the object of management is the locomotor system. The peculiarity of the musculoskeletal system lies in the fact that it consists of a large number of links to the United in the joints, allowing the rotation of the one part to the other. The joints may allow managers to turn on one, two or three axes, i.e. have one, two, or three degrees of freedom. To the three-dimensional space to reach any given point (within the length of the limbs), it is enough to have two-tier limb with two degrees of freedom in the proximal joint («shoulder») and one degree of freedom in the distal («elbow»). In fact limbs have a greater number of links and degrees of freedom. Therefore, if we want to solve the geometric problem of how to change the angles of the joints, to the operating point of the limbs moved from one location specified in the space to another, we would have found out that this problem has an infinite number of solutions.

To kinematic chain made the right movement, it is necessary to exclude the degrees of freedom, which for this movement are redundant. This can be achieved in two ways:
1. you can fix the superfluous degrees of freedom by the simultaneous activation of antagonistic muscle groups (coactivation);
2. you can associate the movement in the various joints of certain ratios, thus reducing the number of independent variables, which must «deal» Central nervous system.

Sustained such a combination of simultaneous movements in several joints, aimed at the achievement of a common goal, have received the name of synergies.

Which diseases there is violation of movement coordination

Lack of coordination of movements. As in the management of the movements involve many of the departments of the Central nervous system, lack of coordination of movements can be used for diagnostic purposes. They manifest violations of sustainability when standing and walking, asymmetry of the movements of the right and left hand, violations of the accuracy of movements, the reduction of forces and a decrease in the speed. Registration of spatial and temporary characteristics of the movements with their quantitative representation makes it possible to evaluate the degree of movement disorders in various diseases, the progress of the restore movement functions, offer effective methods of motor rehabilitation.

One of the forms of violation of the coordination of movements is ataxia.
Ataxia (from Greek disorder). The coordination of movements observed in the defeat of the frontal lobes of the brain, the cerebellum, and the ways of deep sensitivity to the spinal cord and brain. Manifest violation of the balance when standing (static ataxia) or disorder of the coordination of movements (dynamic ataxia).

Symptoms and flow. In motion involving many parts of the nervous system. A man must feel his limbs, see and the surrounding objects, to be in equilibrium, all these sensations have to be linked together - coordinated. When the disease, patients may not stand with your eyes closed, can't eat because of the strong tremors in the hands of often ill say they have chant it. Ataxia may manifest a significant deterioration of handwriting, something that is characteristic lesions of the brain with rheumatism. Can not perform precise movements: see a darn with normal vision, taking a match from the box.

The recognition. In case of suspicion on ataxia ask the patient to stand with outstretched arms, eyes closed, legs must in this case be closed, then touch a finger to the tip of the nose or lying on my back, touch the heel of the tribe of the opposite leg. If a person is unable to perform these tasks, it is necessary to consult a physician.

Which doctor should I contact if there is a violation of movement coordination

• Neurologist

Are you experiencing violation of movement coordination? You want to know more detailed information, or you need an inspection? Please sign up on reception to the doctor! Doctors will examine you, examine the external signs and help to determine the disease the symptoms, they will consult you and provide the necessary assistance. You can also call the doctor on the house.

Do you feel disrupted movement coordination? You should be very careful approach to your health in general. People pay not enough attention to the symptoms of the disease and don't realize that these diseases can be critically dangerous. There are many diseases that in the beginning didn't manifest in our body, but in the end it turns out, unfortunately, it have already been treated too late. Every disease has its own specific features typical symptoms - called symptoms of the disease. Definition of symptoms is the first step in the diagnosis of diseases in general. You just need a few times a year to be screened by a doctor, not only to prevent a terrible disease, but also to maintain a healthy spirit in a body and the organism in general.

Disorders by category

Disorders by alphabet

Map of the symptoms and the types of disorders is intended solely for educational purposes. We strongly recommend do NOT self-medicate; on all matters relating to the definition of the disease and ways of its treatment, contact your doctor. Md-tips is not responsible for the consequences of use information posted on the site.