Generally, it is better to go to the gym two or three times a week, and each time it takes 45 minutes to 1 hour. You need to warm up before exercise to avoid sports injuries during exercise, and then you can do local or overall fitness according to the advice of the fitness coach. You can also do targeted training according to some fitness apps. Of course, some corresponding protective equipment is essential when you exercise, such as waist protection, knee protection, wrist protection and a pair of good running shoes.