Every December, I tell myself the same thing.“This Christmas, I will stay disciplined.” And honestly, the month always starts well.

When things get hard, I face them head on and adapt as necessary. For example, a few weeks before my recent Hyrox competition ...

Unlock peak fitness without a single piece of equipment. This AI-curated, full-body routine builds strength, endurance, and flexibility, proving that your body is the only gym you'll ever need.

Experts share the best routine to strengthen—and enhance—your butt, including a twist on a classic that one trainer calls “the ultimate glute exercise.” ...