Many strength workouts include short breaks between moves, but not this one. This is because abs exercises typically involve smaller muscle groups that recover quicker than larger ones, like the back ...
But when my editor suggested that I try this abs workout every day for a month ... strengthening activities alongside at least 150 minutes of moderate-intensity aerobic activity every week.
The coolest part is it takes roughly 90% less time than workouts of similar caliber. Believe it or not, the famous 5-minute Carol Bike routine is equivalent to that of a 45-minute run. You may be ...