1. Push-ups: Push-ups are the basic exercise to exercise the back muscles, which can exercise the upper, middle and lower muscles of the back.
2. Inverted support: Inverted support can exercise the upper and middle muscles of the back and enhance the strength of the shoulders and arms.
3. Pull-ups: Pull-ups are a very effective exercise to exercise the back muscles, which can exercise the upper, middle and lower muscles of the back.
4. Sit-down rowing: Sit-down rowing can exercise the middle and lower muscles of the back, and also enhance the strength of arms and shoulders.
5. Yoga Cat Style: Yoga Cat Style can help relax the back muscles and enhance the flexibility of the back.
These are some common back exercises. You can choose the exercise that suits you according to your own situation. Remember to warm up before exercise to avoid injury. I hope my answer can help you!