Very good, 18 years old began to pay attention to the body! I work out with my bare hands and with heavy equipment. In contrast, I still like unarmed exercise, because it won't hurt me, I don't need to go to the gym, I won't cramp easily, and I won't become dull. Let me introduce you to some tricks. Pay attention to the standard and be fast.

1, Indian push-ups: commonly known as wave push-ups, do a group of three groups of exhaustion with your fastest speed. Pay attention to breathing and rest between groups 1 min.

2. Squat pit in India: There is a video on this website, please search it. trio

3, abdominal muscle exercise: refer to 8 minutes of abdominal muscle exercise, there are 3 difficulties, you choose one.

4. Action 3: Rear axle (this is the most classic)

Lie on your back, bend your legs and support as close as possible to the pelvis, put your hands on your head, support the ground with your palms, and support your body with your hands and feet at the same time, so that your body is in the shape of an arch bridge and stretch your spine. At first, your spine may not be flexible enough to complete the movement. Don't force it. The position of hands and feet can be adjusted, and the difficulty of movement can be reduced by changing the radian of body support.

Usually, when busy, it is: 1.2, do one group at a time, rest for 30 seconds, continue to repeat, finish 3, stretch 4, and sometimes the rear axle is supported by the head instead of hands, which can make the neck more flexible and not tired at work.

Finally, you are too thin. Exercise can increase your appetite. Eat more beans and protein.