2. Put the dumbbell on your back, bend your forearm slightly, don't use too much force, just take it off, then open your arms horizontally, put them down, use the strength of your chest as much as possible, and feel that your chest muscles are pulled 20 times, and stick to it every day. I believe you will have a perfect breast.
3. Stretch the chest, exercise the chest muscles and reduce fat.
Answer: Bend your right leg with the back of your hand facing and your head slightly lower.
B: Spread your arms to your sides, straighten your right leg and raise your head.
C: The right leg moves in this way.
D: Do it once on the left and right as a group, * * * 8 ~ 10 times.