Getting onto exercises as a beginner would cause pain in the body but as we keep doing it, our bodies get used to it and the pain would be lessened.
There are various kinds of exercises to keep fit. We just need to understand what works best for us and stay focused to achieve best result.
Yeah, you need to find the best exercises to your body as your purpose, to make your body stay fit, or to lose some weight. The important is always doing as well and don't push your body hard.