Recommendations: 2-3 Sets, 8-10 Reps
Stand with your feet about shoulder-width apart and your knees slightly bent. Hold water bottles with a reverse grip in front of your shoulders (palms facing to the back). This is the starting position. Keeping your shoulders down (do not shrug them), press the right bottle straight up. Exhale during this movement. Lower the bottle slowly to the starting position. Inhale during this movement. Keeping your shoulders down (do not shrug them), press the left bottle straight up. Exhale during this movement. Lower the bottle slowly to the starting position. Inhale during this movement. Repeat for the required number of repetitions.