Absolutely effective week arms dumbbell exercises (Figure)

In just one week, you can have beautiful arms. Is this temptation enough? Here to introduce you to the most effective dumbbell arm "Course", as long as the serious implementation, you will be more satisfied with your own arm!

Action 1:

Hold a dumbbell in each hand, arms down naturally in front of the body, palms facing each other, feet apart and shoulder width, knees slightly bent forward, abdomen.

Action 2:

Spread your arms horizontally to both sides until the height of the dumbbells is the same height as the shoulders, hold for 3 seconds, then slowly withdraw your arms and resume your posture.