I swapped my usual ab routines for three new dumbbell exercises and tested them for one week; here's what happened to my core.

Let me say this straight — six pack abs are not built by doing 50 crunches once a week. They’re built through discipline, consistency, pain, sweat, and a lifestyle that doesn’t negotiate with excuses.

View post: I Tried 75 Hard Seven Times Before Committing. It Helped Me Lose 70 Pounds and Lower My Blood Pressure Many people neglect progressive overload for ab training, limiting results. A ...