Stand Straight with your feet Shoulder-width apart and hold a Pair of dumbbells in your hands.
2. Stick your chest out, Unshrug your shoulders and contract your lats and abs.
3. Curl One dumbbell Up towards your chest and squeeze your bicep. Don’t Forget to supinate your wrist on the way up.
4. Hold the contraction for a moment and slowly come back down. Now repeat the movement with your other arm.