Relatively simple yet effective exercises are often particularly popular. Step-ups definitely fall into this category, primarily training our glutes and legs. They also burn calories at the same time.

Add Yahoo as a preferred source to see more of our stories on Google. The cost of gym memberships and the hassle of commuting can make staying fit feel like a chore. It's a common discussion on ...

Expert trainers explain how to get the most out of kettlebell workouts—and which are the best to integrate into your weekly ...