1, don't engage in physical exercise blindly until you have a proper plan. The similarity between sit-ups and push-ups is that both of them focus on waist and abdomen exercises (push-ups also need strong support from the waist and abdomen), and engaging in other repetitive actions when the abdominal muscles are extremely inflated and there is not enough rest will only increase the burden on the abdominal muscles and get twice the result with half the effort.

2. Most reasonable fitness programs are tailor-made. I haven't seen the information of the specific landlord yet. Based on the above information, I can generally specify the following plans-

Do two groups of push-ups before going to bed every night, each group 10, so that each movement is in place (note: it is most effective to press slowly and let the muscles fully contract ~)

Sit-ups, 3 groups, 15/ group, (key points: put your hands gently on your ears, relax your head and neck, concentrate your whole body on your abdomen, and get up slowly, not too much, just 30 to 45 degrees, and you will slow down when you squat, so don't completely touch the ground and keep your distance, which will get twice the result with half the effort).

3. Eat more protein-rich foods to promote muscle growth and enhance physical fitness.

The most important point, which is also the most difficult for ordinary people, is perseverance. Don't give up halfway, but stick to it for a long time (usually it will have obvious effect after 3 weeks ~).

The specific scheme is tailored by the landlord, and several groups can be made. Each group is decided according to its own situation, so don't rely too much on the rigid scheme.

Please give points if the landlord is satisfied.