If you want to build up a good mid section, with strong lower back muscles and abdominals that can take a punch or two, you're better off doing an exercise like the plank rather than crunches. See why in this article.
Having strong gluteal muscles is not only a matter of physical appearance, but also the key for good posture and superior sports performance. In this article, we show you the best exercises for a complete glute workout.
By now, you're probably getting tired of always working your abs in the same way. Here's the second part of the abs exercises compilation, with original and effective variations to completely define your six-pack.