The elliptical machine can well train the coordination ability of the upper and lower limbs, improve the control effect of the central nervous system on the muscles, and at the same time save the dramatic impact of the treadmill on the knee joint, which is safer.

Elliptical machine is one of the best sports equipment to protect joints. When using an elliptical machine for training, the impact on the trainer's knee joints will be smaller than using a treadmill, and the elliptical machine is easier for beginners to practice. In addition, the cooperation of the upper limbs is required during the exercise, so that people can get a more comprehensive exercise.

The elliptical machine utilizes the principle that when the human body is running, the movement track of the ankle is similar to an ellipse. Through a space mechanism, the elliptical movement of the pedal track is realized, so that the fitness exercise of the double elliptical machine coincides with the natural running of people.

The elliptical machine is designed with a stride adjustment mechanism, a motion law adjustment mechanism, and a resistance adjustment mechanism.