Stand, Sit Or Squat? A Bottomological Dilemma

For those fortunate not to have experienced a squatter toilet, you're lucky: it's a combination of yoga, swimming and ****ing through the eye of a needle. But what I don't understand is how I am supposed to maintain a squatting position without getting cramp. And what is that bucket and jug combo for? I'm unsure. I do have a couple of theories though. Read on...