Tension rope exercise and wheel pushing exercise for abdominal muscles.
According to your description, you should be an office worker. You don't have much time to exercise. To tell the truth, neither of the two things you bought suits you. Don't think my words are not nice. But it's true. First of all, your physical condition is poor, and the training of the equipment line is very heavy on your body. Let the body get tired easily, and it will easily affect the work during the day. Secondly, the requirements for the core strength of the waist and abdomen are not generally high. 80% of people can't do it. Besides, you have a beer belly. Exercise is a step-by-step process, don't rush into it, don't accumulate over time. There are many methods of unarmed exercise on the Internet. Search online for videos with a lot of teaching content. You must support your weight first. Thinking about equipment. This step by step is good for your health. I hope it helps you.