"To decompress the spine" means to relieve pressure or tension on the spine by creating more space between the vertebrae, which can help reduce discomfort or pain. Full definition
✔ Patented functions allow gravity to kick in to decompress your spine which relieves back pain during pregnancy ✔ Two separate air chambers allow you to adjust Cozy Bump's size... (cozybump.com)
Inversion boots are useful for decompressing the spine and relaxing. (ptinto.com)
The cozy bump has a raised center and a decline in the leg section which combined decompresses the spine helping with lower back pain during pregnancy. (cozybump.com)