[Resmoo]

Hi! Even though I am hosting another challenge, there's no reason I can't do this too. I am always looking for ways to tone up my middle. I tried a few pilates classes at the YMCA but they offer them at inconvenient times, so I just do the moves I learned there on my own.

This slow, diliberate "torso twist" sounds very effective. For my start measurement(s), my high waist (natural waist where you'd never wear your pants ) is 31.5 inches (80cm) and my low waist (near belly button) is 36.5 inches (92cm).

I guess in the US we'll use a gallon bottle if we can't find one a bit bigger. 5 liters is about 1.3 gallons.