Large cardinality can be reduced faster. For myself, I can keep running. Jumping rope is really tiring. I can jump for 15 minutes, but I should pay attention to exercise for more than half an hour, preferably one hour, so it is difficult for me to jump rope for such a long time. I think we can jump 10 minutes every day, then jog, exercise for 50 minutes to an hour, then stretch and massage, combined with a reasonable diet. I wish you success!