It should be somewhat easy.  I'll have to show you how, but basic standing up is easy.  It took me... about a month or two to get used to most of my body, but there are still occasional surprises...  The walking bit takes a bit of practice, though, but you'll outrun anything not on wheels, when you get down the varied movements.  *Andre looks down,  seeing Mika upside down, and judging from the insides of hir ears, shi's either having blood rushing to hir head from being upside down, or shi's blushing. Andre manages to tug a little more, Mika's navel and the tip of hir new side popping free.*