What can I say? I love the feeling of strengthening my muscles on a Megaformer machine, working them in 50 minutes worth of planks and lunges until my core, legs, and butt are shaking. It’s the only ...

Meredith Dietz is Lifehacker’s Senior Staff Writer. She earned her bachelor’s degree in English and Communications from Northeastern University, where she graduated as valedictorian of her college.

If you’re tired of doing crunches and planks, then ab roller exercises can help you level up your tummy toning game. A strong core isn’t just about achieving rock-hard abs. Core muscles can improve ...

While there are more than enough ab workouts out there to keep your core busy, nothing quite compares to the intensity of ab wheel exercises. When used correctly, an ab wheel can work several muscles ...

What is an ab roller? An ab roller, or ab wheel, is an effective and efficient way to strengthen your core and tone the abdominal muscles by rolling yourself out into a plank and back. 'The ab roller ...

Self-myofascial release has been gaining popularity over the years as a way to release tight muscles and improve mobility. There are even entire workout classes devoted to foam rolling — arguably the ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! If you’re sore from a workout and looking for a productive ...