A back stretcher is a device designed to help relieve tension and discomfort in the back. It typically features a curved shape that allows users to lie down and gently stretch their spine. Many back stretchers are made from durable materials and can be adjusted for different levels of intensity, making them suitable for various users. Using a back stretcher can promote better posture and flexibility by encouraging spinal alignment. It is often recommended for individuals who experience back pain or spend long hours sitting. Regular use may contribute to overall back health and well-being.