With such a topic so broad we truly try to cover the basics from all angles in this group. Nothing too big or too small. Nutrition is as significant if not more as exercise is to reaching your goals so learn all you can.
Not true. This exercise is for your obliques. It is also a good warm up exercise for your lower back.
-------------- If you can dream it, if you can imagine it, then you can be it, you can do it. If it is meaningful enough, and you commit the energy of your passion, you will.