First, the reason:

When riding a bicycle, the stress is mainly on the legs and waist and abdomen, so riding a bicycle has the effect of stovepipe and waist and abdomen.

Second, the use of bicycle precautions:

1. Before spinning, you need to do enough warm-up exercises and then participate when you are excited.

2. Check whether the parts are safe before getting on the bus, pay attention to the adjustment of the position and whether the safety lock of the pedal is fastened.

3. In terms of clothing, it is not recommended to wear sweatpants with wide trouser legs, so as to avoid hanging on the parts of bicycle pedals and causing accidents.

Advantages and disadvantages of cycling:

First, the benefits of cycling:

1, lose weight:

Cycling belongs to aerobic exercise, which can speed up the metabolism of the body, accelerate the burning of fat in the body, and relieve obesity and obesity symptoms. Long-term adherence to exercise can achieve good weight loss benefits, make the body more coordinated and symmetrical, and also make the skin more relaxed, preventing the symptoms of sagging skin during weight loss.

2, improve physical fitness:

The advantage of cycling is to improve physical fitness and symptoms of physical weakness, so as to relieve fatigue, limb weakness and other bad symptoms and make your body stronger.

3, increase the vital capacity:

The advantage of cycling exercise is to increase the body's vital capacity, improve the situation of low vital capacity, and relieve various bad symptoms such as chest tightness, asthma and poor breathing caused by poor vital capacity, so as to achieve good improvement results.

Second, the disadvantages of cycling:

Long-term riding may cause knee injury. If you have some cardiovascular and cerebrovascular problems, high-load cycling may increase the burden on your heart, which will seriously cause dangerous situations such as cardiac arrest; Cycling is mainly the joint activity of lower limbs. Cycling for a long time can easily lead to synovial membrane injury, even meniscus injury, leading to knee pain.