Fractures due to crushing. Vertebral pain caused by secondary metastasis. Spondyloarthrosis associated or not with arthritic sclerosis. Lumbalgia, lumbosciatica, and chronic dorsalgia. Stable vertebral fractures of the lower dorsal column and the lumbar column. Mid-term immobilisation after intervertebral disc surgery. Post-surgical care after spine surgery by decompression with or without internal attachment.