The Mijia Smart Ab Wheel adopts an innovative design of integrated elbow support, breaking the complex shape of traditional ab wheels. The elbows of users of different heights doing different exercise postures can be placed freely, reducing the area restrictions of support, improving safety and avoiding sports injuries.For safe exercise, the elbow support area is widened and the grip angle is optimized.The widened anti-slip textured roller improves the user's sense of security during exercise.The automatic rebound roller with optimized structural design reduces the risk of user injury.