Scores represent an examiner's assessment of the strength or weakness of a muscle or group of muscles. In Manual muscle test, the classification is based on a system in which the ability to hold the tested part in a certain position against gravity establishes a rating called fair or the numerical equivalent (depending on the rating symbols used). The degree of regulating is the most objective degree because the force of gravity is a constant factor.

For degrees above acceptable, pressure is applied in addition to the resistance offered by gravity. A break test is a muscle strength test to determine the maximum effort exerted by a subject performing an isometric contraction as the examiner applies a gradual build-up of pressure to the point where the subject's effort is overcome. It is used to determine the marks from fair to good. Continuing to exert force to break the muscle by doing a tear test is unnecessary and can even be harmful. The symbols used for the rating vary and include the use of words, letters, numbers or other signs. To avoid listing equivalents each time this text refers to a grade, symbols are used in the grade descriptions below.

Gravity is a form of resistance that is the basis of manual muscle testing and is used to test the muscles of the trunk, neck and extremities. However, it is a factor in only about 60% of the muscles in the extremities. It is not required in the muscle tests of the fingers and toes, because the weight of the part is very small compared to the muscle force that the effect of gravity on the piece is negligible. Supination and pronation of the forearm. They are rotational movements in which even the effect of gravity is not a significant factor. Testing very weak muscles involves horizontal plane movements on a support surface where resistance to gravity is reduced. To avoid using phrases such as "decreased gravity", "decreased gravity" or "minimized gravity",

Detailed classification of muscle strength is more important in relation to prognosis than diagnosis. The the degree of involvement can be determined by a simple classification such as zero, weak and normal. In the other On the other hand, a more precise classification helps to establish the speed and degree of return of muscle strength and is also useful in determining a forecast. A muscle may appear "weak" for months, even if the record shows it which went from poor to beautiful during this same period. The accuracy of the classification depends on many factors: stable position of the patient, fixation of the workpiece proximal to the part to be tested, the accuracy of the test position and the direction and amount of pressure. The amount of pressure varies with the age and size of the patient, the part to be tested and the lever. Yes the limb is unaffected, the examiner may use force in the unaffected limb as an index for the normal strength of patients when testing the affected limb. An examiner must build a basis for the comparison of test results through muscle testing experience. Such experience is needed when doing both paralyzing and paralyzing tests. normal individuals. For many, however, experience with muscle testing has been limited to examination patients with illness or injury. Consequently, the idea of ​​normal strength of these examiners tends to be a measure of what appears to be good functional recovery after weakness. The authors recommend that an examiner do a Effort to test individuals, men and women, of various ages and with good posture, in addition to those with bad posture. If it is not possible to examine a large number of normal individuals, an effort should be made done to examine the trunk and unaffected limbs in cases involving only one or two limbs. Assessment and classification procedures are changed when examining infants and children up to the age of 5 or 6. The ability to determine a child's muscle strength to the degree of fair is usually not difficult, but assessing strength above fair depends on the child's cooperation in resisting resistance or pressure. Young children rarely cooperate in strong rehearsal movements. Most often, tests should be recorded as "apparently normal," indicating that although the strength may, in fact, be normal, one cannot be sure.

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