Fitness is good for your health, but you should choose the exercise mode that suits you and don't cause excessive fitness mode. Excessive exercise may lead to excessive joint wear, increased heart burden, dehydration and other adverse consequences.

1. Excessive exercise makes the soft tissues around the knee joint in a state of strain, which makes the muscles, tendons and ligaments contract hard for a long time. Aseptic inflammation is formed after strain, and inflammatory metabolites stimulate peripheral nerves to feel pain. After a long time, knee arthritis and synovitis will appear.

2. When exercising excessively, the heart beats faster, the heart load increases, the myocardial oxygen consumption increases, and the heart exceeds the normal compensatory capacity, which may induce heart failure.

3. Excessive exercise makes the body sweat a lot, and water and electrolyte are constantly lost, which may dehydrate the body or cause electrolyte disorder. Severe dehydration may cause hypernatremia, lead to acute brain edema and endanger people's lives.

Moderate exercise is good for body and mind, while excessive exercise will have adverse effects. Fitness should choose a fitness method that suits you. Only in this way can you have fitness to increase your health.