Use This Chin-Up Variation to SHRED Your Six-Pack Abs…

“The Chin-Up Is King For Back Exercise But Here’s A Highly Effective Abdominal Exercise As Well…” So, of course, I’ve decided to take that aspect of the chin-up to the next level by adding weight… In this case, you’ll be performing a chin-up with knees and hips bent 90 degrees… The bar cradled in the …