Kettlebell flows are a neat way to combine a small number of exercises into one longer move, and can feel pretty intense as they limit your rest time and increase your working time. You'll see many ...

An editor did daily core exercises for two weeks. Here, she unpacks the results with the help of fitness experts.

If you can sing your way through bodyweight abs exercises like plank variations, scissor kicks, and hollow holds, you're ready to level up your core work. There's one seriously effective (and simple) ...

It’s estimated that 2 million people in the U.S. will experience a back injury this year. Many of these injuries are because of postures held for prolonged periods and workplace incidents. Many more ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Several bodyweight exercises ...

Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.