The name of the back and forth waist twisting fitness equipment used at home is called waist twisting disc fitness equipment. According to the relevant public information, the waist-twisting fitness device can enhance the muscle strength of the waist and abdomen, improve the flexibility and flexibility of the lumbar spine and hip joint, and is beneficial to fitness. A large-scale waist-turning exercise can stretch and relax waist muscles, promote blood circulation, strengthen waist and kidney, and is suitable for people with waist movement disorder, physical weakness and kidney deficiency, lumbar muscle strain and general fatigue.