How to thin arm ah, I female, 18, other places are not fat, but the arm has a lot of bye-bye meat, how to make the arm become thin ah?

1. Hands straight ahead, feet stand shoulder width apart.

2. Draw a circle with both hands, and draw a circle outward 20 times.

3. Then draw the circle inward 20 times.

4. Draw the circle without drawing too big, use the strength of the arm, not the palm.