When sitting and exercising, keep your upper body straight, and hold the handrail tightly with your hands, so you can tuck in your abdomen properly. Suitable for short-distance exercise (10-20 minutes), can effectively exercise back muscles and modify leg lines. Prone, as the name implies, is lying on a rotating bicycle, which is very similar to the posture (posture) of riding a cross-country bicycle. Simply put, the forearm rests on the armrest and the waist can relax each other. This kind of exercise is suitable for long-term cycling (30-60 minutes), which can relax the waist and avoid the damage to the waist caused by long-term exercise. Cross, this way is a combination of sitting and lying. Simply using sitting position to exercise will increase the burden on the waist. We can adjust by lying flat in time, which can effectively protect the lumbar spine and make exercise easier.
The height of handlebar can be adjusted according to your personal flexibility and back condition, and also according to your personal preference and comfort. If you are a novice, or have a low back injury but not in the onset period, it is recommended to raise the handlebar relatively. If you have some training experience, good flexibility and no pain in your lower back, you can lower the position of the handlebar to the height of the front end of the seat.