(You should be a woman, right? You can report grip strength, sit-ups (thin waist and flat abdomen) and skipping rope (thin legs, exercise calves, and exercise shoulder muscles to coordinate with the body).
Persistence is the key to practicing sit-ups. I suggest that you drink water after school at noon every night, and then practice for 3 minutes (do as much as possible), rest for 5 minutes (take a deep breath and tuck in), practice for 2 minutes (do as much as possible), rest for 5 minutes (take a deep breath and tuck in), practice 1 minute (do as much as possible), tuck in 1 minute (OK. Don't eat immediately after that, wait until the air is smooth. You should also practice during the holidays (practice more, at noon and at night), otherwise you won't pass the exam if you don't practice for a long time.
Whether you can get full marks or not (the senior high school entrance examination is very difficult, and almost enough is full marks), you should practice and stick to it when you get full marks!
When practicing, you should insist on doing sit-ups, but your abdominal muscles hurt (don't be afraid of your abdominal muscles, they won't hurt after practicing. ) Reduce when appropriate. I can't do a few at first, but after a few weeks, at the same time, the number of works will increase greatly! Pay attention to the posture standard, if it is not standard, you will not practice abdominal muscles.
At the same time, we should pay attention to nutrition and eat well.
Be sure to persist! Persistence is the perfect score in sports!
I hope my suggestion can help you.
Study hard! Come on, mid-term exam!