First of all, are you skinny enough for abs to show through? As in 8% body fat skinny. If so, the single best and most efficient method of exercising abs is the crunch. It’s all about contraction, do about 30 or so while contracting your abdomen as much as possible. If you don’t feel the burn by thirty, either you have a really strong core or are doing it wrong.
The most effective ab exercises are crunches, flutter kicks, bicycles, and hanging leg raises.
If you want visible abs, you should get your total body fat down to around 7%.
No pain, no gain!
First of all, are you skinny enough for abs to show through? As in 8% body fat skinny. If so, the single best and most efficient method of exercising abs is the crunch. It’s all about contraction, do about 30 or so while contracting your abdomen as much as possible. If you don’t feel the burn by thirty, either you have a really strong core or are doing it wrong.