2. Because people's muscles also need an adaptation process, the amplification of muscle lines is accomplished by repeatedly stimulating muscle filaments, so many bodybuilders suggest that the use load should not be too large, but that muscle strength should be strengthened by increasing the frequency of activities, thus increasing muscles step by step.

3. Wait until the muscles gradually adapt to the smaller weight and then gradually increase the weight, so that the muscles can gradually adapt to this weight, so as to exercise healthily, otherwise muscle injury and strain will occur.

Therefore, fitness is a long-term process and can't be rushed for a while.