Stand-up Paddle Boarding, knows as SUP, has grown in popularity in recent years. It's known for its ability to help build core strength -- also known as your body's "powerhouse." So, what's up with SUP?

Do you need special equipment to train your abdominal muscles? The American Council of Exercise (ACE) says "no."

It's all in the middle -- of your body. Here's how a few ways to know if core strength is one of your weaknesses. 

Laura Sexton, registered dietician at the University of North Carolina at Asheville, wants us to avoid the hype and ask ourselves three important questions.

After a walk is a great time to stretch. The PBS series "America's Walking" offers a quick, post-walk routine to stretch out your warmed-up muscles.

The American Psychological Association answers the question on whether willpower is learned or inherent.

Fitness Files guest blogger Laura Sexton encourages us to find support for our health and fitness goals. Here's a list of apps that can help. 

The Mayo Clinic has upper and lower body stretches to help you maintain your range of motion.

Michelle Johnson talked about how yoga can help us quiet the mind and deal with the stress and distraction of everyday life in our pursuit of fitness. But this North Carolina-based instructor takes her yoga practice all the way to Kenya as an ambassador in the Yoga in Africa project and shares a few her poses in this beautiful place.