There are two main reasons, one is genetic problems, and the other is that these girls say they don't exercise on the surface, but in fact they are secretly exercising.

Fitness can eliminate people's fatigue, eliminate troubles and make people feel happy. People who exercise regularly can keep a happy and comfortable mood, which is also beneficial to life and work.

The way of fitness

Body-building exercises can adopt all kinds of unarmed exercises, such as all kinds of unarmed aerobics, rhythmic gymnastics, aerobics, all kinds of resistance movements, etc. You can also use various sports equipment for various exercises, such as dumbbells, barbells, kettlebells and other weightlifting equipment.

Gymnastics equipment such as horizontal bar, parallel bars, ropes and poles, as well as strength training equipment such as spring tensioners, pulley tensioners, rubber bands and various special comprehensive strength training racks, as well as aerobic training equipment such as power bicycles, stair treadmills, flat treadmills and rowing machines.

There are many kinds of exercises in fitness, including a complete set of unarmed bodybuilding gymnastics; There are also light equipment gymnastics such as balls and sticks, which are mainly used for women's bodybuilding training to achieve the purpose of losing weight, improving body shape, improving flexibility and enhancing rhythm; There are many weightlifting exercises and other sports that can develop muscles in all parts of the body.