by cons must really warm up before that avoids sprains and pains after the effort I insist on it.
I went to level 2 after some time because I thought was working my abs not enough.
and ironed at one's funny after we find it super easy.
for the results, so do not expect the end of a week, allow time for your body to put the machine on.
3 months for good results is not bad and not give up if you find it hard, take breaks between series.