Ab exercises

[rockymarciano1]

Take a coin or bottle top and put it on the floor
lie on the coin of bottle top so it is touching your lower abdomen and breath in so your abs are not touching the floor and hold for 1 min then rest (so you are touching the bottle top) and repeat.
http://www.bodybuilding.com/fun/2002/ms-fit5pos.jpg

[Squirrel]

so its basically a plank