It's not necessary. To tell the truth, the effect of two months is not obvious. I bought a pair of dumbbells that can increase weight loss and practice at home by myself. Now there are chest muscles, abdominal muscles are not obvious because of the thickness of the stomach. I'll tell you the way for free. Anyway, the gym has ruined my skinny legs into muscles. I hate gyms!

Lie flat, hold the dumbbell with both hands and move up and down. Don't worry, take your time until you are tired.

Then sit-ups make the abdomen a little too much, and then stand up and take turns to exercise dumbbells, so that the upper body shaped is very good for you to see a rendering.