Sit-Ups Vs Crunches: Why Are These Ab Exercises Bad For You?
Sit-ups and crunches are the 2 most commonly performed ab exercises. Since almost everyone who wants a flat stomach or 6-pack abs does them, they should be effective, right? Yes, for damaging your back. No, for training your abs. Let’s take a look at each of these 2 ab exercises, to see how they cause… Read More »