By day four, I was feeling it. Laughing, bending down, and just getting into position for the workout had my abs reminding me of every rep. By the seventh day, my core wanted a day off, and I had ...

You might be feeling a little sore from all the squats, wall sits, push ups and walking over the past couple of weeks.

Designed by Sally Kendrick, director and instructor at MK Reformed, this barre workout combines Pilates-inspired movements ...

A picture taken during selection training for Air Force Special Tactics Officers captures the intensity of underwater ...

The fitness world has embraced a new champion in core training, and traditional sit-ups have taken a backseat. The plank, ...