A strong core is basically the foundation that holds your body together. I mean, your abdominal muscles help with your posture, keep you walking and running, are activated when you breathe — it's ...

Today in Sunrise Shape Up we focus on different types of crunches. Bryan Watkins from Unyque Fitness gives us 5 different variations. The following exercise is designed to engage your abs while ...

There are so many exercises you can use a stability ball for, especially when it comes to targeting your core. Why? Because this fitness tool, otherwise known as an exercise or Swiss ball, challenges ...

Fact checked by Nick Blackmer Planks are better at building core strength because they engage the deepest layer of your ab ...

There are only so many non-working hours in a day for sweat sessions, networking events, and, oh yeah, actually having a social life. So when we hit the gym, we gotta make the most of our time. Sign ...

The stability ball is a great tool to incorporate in your exercises, especially when it comes to core work. Adding the stability factor causes your core to contract even more while exercising, making ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. It’s time for a little ...

An email prompted me to write about one of my favorite and most frequently done exercises in my workouts -- the crunch. The question asked was concerning when I like to do abs in my workouts -- in the ...