Naturally, your go-to core workout might include a variation of sit-ups, crunches, and planks. Because as a runner, you know how important training your midsection is to improve your performance. But ...

Some of the best exercises for a stronger core include crunches, teasers, planks, and body-weight squats. A workout that includes a mix of these moves can maximize a limited schedule and leave your ...

Common ab exercises like situps, crunches and leg raises are great foundational moves. But after performing them consistently for a while, they can start to become stale. That’s why I like to switch ...

For core workouts from Stephanie Mansour — plus fitness challenges, walking podcasts, meal plans and inspiration — download the Start TODAY app! When it comes to toning the abdominals, many of my ...

While many workout regimens flame out as quickly as it took them to start trending, others stand the test of time. Exercises like tai chi, running, swimming, hiking and yoga, for instance, have been ...