TLSO BACK SUPPORT SENNER with back height regulation was developed according to anatomical shape and to provide high level stabilization and immobilization of Torso-Lumbo-Sacral area of spine. An asymmetric closure allows the perfect fitting on the patient body. The perforation of rubber makes the orthosis very breathable, improving comfort for end-users during the treatment. 1) The Back Metal Frame is totally removable and allows the regulation and control of the brace height. 2) The Back part of support is made of innovative AirSanmed non-elastic textile, which properties allow an improvement in stabilization of Spinal zone. The orthosis is covered by perforated medical laminate allowing easy evaporation of the sweat, semi-rigid perforated comfort foam located inside and a breathable cotton terry cloth in contact with the skin. In order to avoid any pressure of internal metal frame on spine, the thickness of foam was modified accordingly. 3) The Back Support is provided with anatomically shaped metal stays (sweat-resistant coating), which quantity depends on the size; 2 or 4 metal stays and regulated metal Frame for Spine. 4) The Back of the orthosis is equipped with wide belt of rubber designed for stabilization on lumbar area of spine.