There are many types of massage bath tubs. Some are designed for relaxation, while others are designed for muscle relief. Massage bath tubs are designed to relax muscles, which can be helpful for arthritis, back pain, and more. The tubs can also be used to help with the symptoms of stress, such as headaches and insomnia. They are also designed to relieve muscle tension and soreness after exercise. The bath tubs come in a variety of sizes, shapes, and colors to suit different tastes.