Lumbar support orthosis with tension straps and lumbar pad Areas of application Osteochondrosis if the intervertebral disc is overloaded for a long period, frequently in association with scoliosis, it becomes deformed. The adjacent bones react with an increase in bony outgrowths and the surrounding tissue takes up more water. This changes the bodys statics. It becomes shifted; this leads to muscle spasm. Spondylosis with no displacement of vertebrae ( inflammatory diseases of the spinal column) Sciatica (pain in the area of the sciatic nerve)