Building Strong Abs – Killer Ab Exercises by Bodyweight Arena When we hear the word abs, the first thing that pops in our minds is Zac Efron’s rock solid, beach-ready abs. No? Just me? Fine, but one reason he was able to attain those are from the most important ab exercises.But wait, Ab exercises have too many benefits.These are not only for aesthetics. Benefits are well spread into function. Having strong abdominal muscles assist in providing good posture, balance,  translates…