As stated, spinal decompression can be done in 2 ways either manually or mechanically. Spinal decompression therapy works by stretching the spine gently that helps in changing the force and position of the spine. Spinal decompression works on helping you to get rid of the pressure on your joints and nerves.
This allows nerves and other structures of your spine to take off the pressure. This, in turn, helps allow the circulation of water, oxygen, and nutrient-rich fluids into the disks so they can heal.
All though back traction just involves proper and focused stretching, sometimes it might go wrong and might cause more damage if one fails to take proper caution while performing it, and needs accurate information on which device to use.