If you want to achieve the effect of stovepipe or exercise abdominal muscles by pedaling in the air, it is best to insist on pedaling for about 300-500 times a day. It will be very tiring to start riding a bike. You can only step on one hundred at first, and then gradually increase it to 3.5 thousand. You can also do it in groups, usually 6-7 groups, 30-60 in each group, and then rest for 30 seconds between groups.

breathe

Keep breathing evenly all the time.

Motor sensation

Every time you straighten your legs, you will feel a strong tension in your abdomen, but there should be no tension or pain in your waist.

Common mistakes

Error: The lower back is off the ground, causing lower back pain.

Solution: increase the angle between your legs and the ground.