What does abs mean? Fitness.

ABS (Abdominal Back Stretching) is abdominal back training.

Fitness is a kind of exercise, such as all kinds of unarmed aerobics, rhythmic gymnastics, rhythmic gymnastics, and all kinds of self-resistance movements. Gymnastics can enhance the strength, flexibility, endurance, coordination and control of all parts of the body, thus making the body strong.

The scope of fitness is very wide, and exercise is only one part of fitness. Besides exercise, there are many things in fitness, such as writing, singing and doing housework.

Fitness can be roughly divided into instrumental exercise and non-instrumental exercise. Fitness is also a sport that many men and women use to shape their perfect bodies. Modern men and women like this sport.