Muscle-tonic syndromes with low back pain are the most characteristic manifestation of many pathological states. Muscle tension determines the overall condition of the vertebral column, its position relative to the pelvis, the type and degree of deformation.

Prevalence of pain in the lower back in general population reaches 40-80%, annually 5% of the population for the first time experience pain in their lower back. Often sharp pain appears in men aged 35 to 44 years and women - aged 25 to 34 years.

Pain in lower back takes the second place in frequency of doctors’ visits after respiratory disease ( 5% of visits in Australia and 6,5% - in the UK). In the U.S. back pain is the main cause of temporary disability of persons younger than 45 years.

Despite the fact that 90% of patients with the pain in lower back can return to work within 3 months, many of them experience painful symptoms, limitation of functions and significant decrease in quality of life.

To date, paracetamol, prolonged bed rest and dry skeletal traction have been proved as ineffective remedies for treatment pain in the lower back. In acute intense pain should be used muscle relaxants. Among them and well known Soma pills. Reducing abnormal muscle hypertonicity, Soma only relieves pain and reduces the need for NSAIDs, but significantly reduces the time of disability. Moreover, Soma has been shown the safest pill without side effects.