Sit upright on the floor with your legs in front of you (Knees slightly bent) and hold a single dumbbell just above the ground with your arm extended at your side. This is the starting position.
2. Flex your shoulder to raise your arm to shoulder height, hold the contraction for a moment and slowly lower your arm back to the starting position.
3. Perform the movement for the required number of raps and once finished, repeat the steps with the other arm.