Follow this walking plan and core workout to build strength and tone your glutes, abs and thighs. The walking and bodyweight strength plan is for all fitness levels.

Usually the three-week mark is around the time I start to get a little bored with a challenge. Thankfully, the rest of me was ...

A physical therapist designed this core workout for people over 50 to build a strong, stable core and relieve back pain. All you need is 20 minutes — no equipment required.

Instructions: Do 3 sets of 30 to 45 seconds of each exercise, resting for 30 to 15 seconds in between. Lie on your back with ...

This 10-Minute Core Workout Challenges Your Stability in New Ways Test your core strength with these unique exercises.

Using just a yoga mat, this 15-minute core and abs workout will help fire up your abs and strengthen your entire midsection, along with raising your heart rate, too.

This 31-day plank challenge for beginners to advanced fitness levels is a full-body workout to boost metabolism, build core strength, tone abs and ...

This 20-minute core workout builds strength, stability, and endurance. Train smarter, prevent injuries, and unlock lasting power.

Jennifer Nied did trainer Jenna de León's 7-minute dumbbell abs workout every day as part of the 28-day challenge. There are her before-and-after results.

Jennifer Nied did trainer Jenna de León's 7-minute dumbbell abs workout every day as part of the 28-day challenge. There are her before-and-after results.

Ohio Lt. Gov. Jim Tressel announced the launch of the "Team Tressel Fitness Challenge" for Ohio students in an effort to ...

This 10-minute workout with celeb trainer Jenna Willis hits muscles all over your body, especially your core. Grab a pair of light dumbbells for this one.