Sit-ups have long been a staple in ab workouts, but they fall short when it comes to building well-rounded core strength. It’s not a terrible exercise, but it mainly works the rectus abdominis (the ...

A Turkish get-up might be driven by your core, but it also hits nearly every muscle in your body. So, I did it every day, 70 times, for one week. If you need new ways to challenge your body, add this ...