When it comes to improving core stability, the plank has your back (and your front!). By working your transverse abdominis — the deep core muscles that wrap around your middle — as well as your back, shoulders and glutes (yes, you should activate your butt, too), you get a full body burn in one isometric movement. But the best thing about planks: You can continuously switch them up and make your muscles work even more. Check out these creative twists on a typical plank routine and you’ll see what we mean.

As they do, you should try to include at least one of the exercises described herein into your personal training program two times a week. These exercises can be made more difficult, but I seldom advise more than 10 – 20 slow reps on any of them. You should increase the resistance with these exercises rather than the reps; and if you’re working hard enough, you should only perform 2-3 sets per exercise. I would also suggest that you not perform any single exercise for more than three weeks in a row, since well-conditioned muscles adapt quickly to any exercise, and this adaptation must be minimized.
Eat carbs. "There's this notion that carbs are bad and that you need crazy amounts of protein to be lean and fit," says Alcantara, who disagrees, and eats just as much carbs as protein, although the ideal ratio varies based on your goals. "Whatever you eat to get the results you want has to be sustainable, otherwise you're going to end up right back where you started with the same habits that got you there."

ripped 6 pack abs

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