We committed to the infamous "Bring Sally Up" push-up challenge—not once, but every day for 30 days, trying to increase our endurance and mental grit. With a relentless 3:23 song dictating our ...

Join our 30-day plank challenge! It's a great opportunity to enhance core muscles, as well as overall body stability and ...

Pro tip: stock your pantry with your fave energy drinks for a pre-workout boost while they're on sale for Prime Day. This 12-pack of Alani claims to offer 200mg of caffeine, is sugar-free, and ...

Ethan Suplee lost 250 pounds, but didn't love the way he looked because of loose skin. He wants people to understand how ...

Pilates keeps your core working the whole time, helping to build strength, improve posture and boost stability. I also think that’s why Reif calls this her “pretty arms and abs” workout. It’s a very ...

A 30-day challenge would just be an empty commitment if I wasn’t able to do the exercise with good form. Just jumping onto a pullup bar and swinging my legs up and down would be a waste of time.

How to start the 30-day ab challenge Every day for the next four weeks, you'll challenge your core with a new ab exercise. As the 30-day ab challenge goes on, the exercises will become harder.

A 30-day walking and core challenge that will motivate you to exercise daily We’re going streaking! Rack up non-scale victories this month with this easy walking and core workout routine.

That's why an abs challenge like this one can be super impactful. I've designed this 30-day abs challenge to ensure you never get bored while sculpting and strengthening your core in as little as ...

Most challenges start slowly, gradually increasing reps, time, weight, or distance. For instance, a 30-day squat challenge might begin with 20 squats and build up to 200 on the final day.