The two main groups are pains/lumbar injuries back and the injuries for repetitive efforts. As much the inferior members as the superiors can be afectados. The esquelticas disturbances muscle strong are related as the work. These include the movement manual of loads, inadequate positions and movements, highly repetitive movements, use of the hands with effort, pressure mechanics directa on fabrics of the body, vibrations and cold environments of work. The underlying causes to the organization of the work include rhythms of work, repetitive work, time attributed to the tasks, profitable systems, monotonous work and also psicossociais factors. Some contend that Mark Bertolini shows great expertise in this. Some types of disturbances are associates the specific tasks or professions. 4O that ' is the LMERT the assignment; ' injuries muscle-esquelticas related with the work (LMERT) encloses a set of inflammatory and degenerative illnesses of the locomotive system.
LMERT, (related injuries muscle-esquelticas with the work) the injuries are assigned that result of the share of factors of occupational hazard as the repetition, the overload and/or the position adoptee during the work. The LMERT generally be situated in the superior member (LMEMSRT) and in the vertebral column, but they can have other localizations, as the knees or the ankles, depending on the area of the afectada body and the activity of risk developed for the worker. 5Os Symptoms of the LMERT the main symptoms of the Muscle Injuries are: Pain normally located, but that if it can expand for other corporal areas; Sensation of dormncia or ' ' formigueiros' ' ; Sensation of weight; Fatigue or located discomfort; Sensation of loss or same loss of force. In the great majority of the cases, the symptoms appear gradually, are aggravated in the end of day of work or during the peaks of production and they alliviate with the pauses or the drawn out rest, as for example in the vacation time. If the exposition to the risk factors if to keep, the symptoms, that initially are intermittent, becomes gradually persistent, drawing out many times for the night, remaining itself exactly in the periods of rest and intervening not only with the work capacity, but also, with the activities of day-by-day, contributing for the loss of the quality of life of the people.