(Mass Appel) – A TRX workout is a form of suspension training that uses your body weight as resistance to build strength, balance, and core stability. Salina Sarat, from Salina’s Suspension Training, ...

I recently discovered a three-move core-building workout from one of my favorite online fitness trainers and decided I'd use the routine every single day for the week. My goal? To build a better habit ...

You have to engage your core constantly as you sit straight, stand tall, and walk confidently, which requires a lot of endurance in your midsection muscles. The best way to build ab endurance? A core ...