Everyone wants six-pack abs. A visible rectus abdominis is a sign that you're fit and training hard. Sets of endless crunches and a strict diet will help those muscles pop. But you'll get even greater results by working the hidden muscles underneath, and with that added strength, you’ll also boost your core stability, posture, and prevent future injuries.
This article originally appeared on www.mensjournal.com: How to Fast Track Your Six-Pack
Source: Mens Journal