To learn whether or not your upper-body strength level is where it should be—or needs a bit of a boost—we spoke with experts.

Build core strength after 50 with 5 bodyweight moves that train bracing and control, often faster than planks.

For overall health, it's important to focus on exercises that work the entire core: the muscles along the spine, pelvis and sides of the torso. These include the abs and obliques, but also the glutes, ...

Planks are hailed as one of the ultimate bodyweight exercises for building a strong, stable and sculpted core, but trust me, you don’t really need them. There’s a never-ending list of abs workouts ...

Naturally, your go-to core workout might include a variation of sit-ups, crunches, and planks. Because as a runner, you know ...