http://www.bestview-spa.com/hot-tub/6-person-hot-tub/bathtub-massage.html

In the busy modern life, a warm private water area that to enjoy the backyard hot tub has become a symbol of quality of life. A backyard hot tub is not only synonymous with ultimate comfort, but also a healthy living solution that combines the science of hydrotherapy with the aesthetics of relaxation.
Through the well-designed water jet system, the backyard hot tub can effectively relieve muscle tension, reduce pressure, and help you achieve a state of deep relaxation. Backyard hot tub improves blood circulation, usually set the water temperature at 36-40 ℃, close to the human body temperature of the warm environment can directly stimulate the expansion of blood vessels (especially capillaries), reduce blood viscosity, thereby improving peripheral circulation. Research by the Japanese Society of Onsen Medicine shows that a 15-minute soak in backyard hot tub can increase skin blood flow by more than 50%, helping to alleviate the problem of cold hands and feet.
The high pressure jets built into the backyard hot tub simulate the "kneading" effect of a professional massage by directing the water to hit body parts (e.g. back, legs). This mechanical pressure can promote venous blood return and reduce blood stasis in the lower limbs (suitable for people who have been standing/sitting for a long time); Stimulate micro circulation in the muscle layer, accelerating the discharge of metabolic wastes (e.g. lactic acid) and relieving post-exercise soreness.
From busy executives needing stress relief to athletes seeking faster recovery, BESTVIEW SPA adapts to your lifestyle with the backyard hot tub.