No, dancing is not strenuous exercise. Run for more than 30 minutes or 2km, play basketball for 40 minutes, play football for 40 minutes, play badminton 1 hour, do aerobics for 40 minutes, swim for 25 minutes, jump rope, run, basketball, football, badminton and aerobics. Swimming has different standards for everyone. When your heartbeat reaches 120, it means that you have reached the limit of running for more than 30 minutes or 2km, playing basketball for 40 minutes, playing football for 40 minutes, playing badminton 1 hour, doing aerobics for 40 minutes and swimming for 25 minutes. Jumping rope, running, basketball, football, badminton, aerobics, everyone's standards are different. When your heart rate reaches 65,438+020, it is difficult to breathe. Others do not belong to strenuous exercise. During strenuous exercise, people's heart beats faster, muscle capillaries dilate and blood flows faster. At the same time, the rhythmic contraction of muscles will squeeze the venules, prompting blood to flow back to the heart quickly. After strenuous exercise, in order to keep the body temperature constant, blood vessels on the skin surface expand, sweat pores expand and sweat increases, which is beneficial to heat dissipation. After strenuous exercise, human metabolism is at a high level. So ... . It is not advisable to rest immediately, take a bath immediately, drink too much to quench your thirst, eat too much sugar, and drink too much to relieve fatigue.