A device for transmitting tensile forces a predeterminable and during the treatment of measurable magnitude on the human spine, with the use of traction means (two belts, cables or the like..) Or. Belts, which end the tensile forces on the person to be treated for the purpose of stretching of the spine or. A predetermined wirbelsaeulenbereiches transmission, or for transmitting tensile forces on limbs, of the human body for the purpose of their expansion or stretching