Over the years more evidence continues to support the importance of strength restoration therapy and pressure reduction as a means to conservatively, safely and effectively reduce symptoms of arthritis and other causes of mechanical spine pain. Millions of patients have reported to their doctors reduction in pain and sustained improvement from use of conservative protocols that included spinal unloading and muscle specific exercise.strength restoration therapy, Dr. John Boren, Back pain, herniated disc, spinal decompression, Lordex, Inc., , Lordex 3000