the reason is starvation of oxygen and layers of fat covering the six pack
everyone has a 6 pack, but body fat covers it. So to be able to see your 6 pack, you must burn off that layer of fat over you abdomen.
Yes, there is such a thing as a six pack abs (on the abdomen).
You cannot develop "six-pack" abs in one day.
Getting abs cannot be estimated. It all depends on the person and how much they work out.
There are a lot of abs exercise that give you a six pack. One good excerise is the bicycle situps.
It look like 6 pack abs
you dont
yes
Abs/6-pack.
Yah, they have 6-pack abs!
I dunno ask Taylor Lautner cuz he had a 6-pack when he was 13 and now he REALLY has a 6-pack
It all depends on the person, I personally am a girl with abs and most guys think its awesome! Try not to go to far, body builder abs is not attractive you can be toned and have a six pack without looking like a man.