Pilates keeps your core working the whole time, helping to build strength, improve posture and boost stability. I also think that’s why Reif calls this her “pretty arms and abs” workout. It’s a very ...

If you don't have any, you can use bodyweight. For more workouts and programs, check out my app Core by Chloe Ting on the app ...

Designed to push your biceps and triceps past their limits, this routine has gone viral for how punishing (and effective) it is. But be warned—it’s not for the faint of heart.

Extend your arms to lift the weight back overhead. Stand with your feet hip-width apart, holding dumbbells by your thighs, ...

In fact, at the time he performed his first bodybuilding workout in 1962, the 15-year-old future Austrian Oak was a mere sapling all six feet and 150 pounds of him. But, he’s quick to point out, “When ...