Recommendations: 2-3 Sets, 8-12 Reps
Sit o chair. Grasp water bottles, palms inwards. Raise the bottles straight above your head. Your feet are close together. This is your starting position. Keep your elbows close to your head. Lower the bottles behind your head, while keeping your upper arms stationary close to your head. Inhale during this movement. Push the bottles, in an arc with your triceps, back to the starting position, keeping your upper arms stationary and close to your head. Exhale during this movement. Repeat for the recommended number of repetitions.