- January 5, 2026
Why the Viral 10/8/4 StairMaster Workout Works (and When It Doesn’t)
You have likely seen the viral 10/8/4 StairMaster routine pop up on your social feed. Like the 12-3-30 treadmill workout
You have likely seen the viral 10/8/4 StairMaster routine pop up on your social feed. Like the 12-3-30 treadmill workout