The fitness corner of the app store right now is filled with all kinds of 30-day challenges: ab challenges, squat challenges, arm challenges, and so on. Basically, if you're looking to intensely ...

From yoga to Pilates, a fitness expert outlines the best floor ab workouts to slim your waist in 30 days and why they're ...

Despite what fitness gurus on social media are promising, there is no quick fix for building muscle or shedding weight — so you can skip the 30-day abs tutorial. In fact, it’s near impossible ...

This short bodyweight ab workout strengthens your core, boosts your balance and improves your posture in just 7 minutes.

A personal trainer shares how to perform six of his most essential compound exercises to build visible six-pack abs.

A fitness expert shares four daily ab-sculpting exercises you should do after 50 and why maintaining core strength is ...