What Is the 25-7-2 StairMaster Workout—and Should You Try It?
Remember that one time I decided to shake up my routine after scrolling through TikTok late at night? I stumbled on this viral challenge that promised killer cardio without the joint-jarring impact of running. Yeah, that’s how I first met the 25-7-2 StairMaster workout. It’s simple on paper but packs a punch in practice, and…