@maximilian.moves: The most underrated AB exercise you can do when on vacation or in the pool. With limited equipment, you can use water as extra resistance if you want to do lazy workouts. Your body doesn’t know the difference between weights, bands, water, etc. It responds to tension. Follow for more unconventional exercises to keep your training fresh and stay consistent with your progress 🔥 #Fitness #calisthenics #ab #abworkout