We all keep gripping the treadmill handrails to feel steady: this one-second reflex quietly cancels out half the workout
That instinctive grab for the treadmill handrail might feel like it’s helping you, but it’s quietly sabotaging your workout. A groundbreaking study reveals that leaning on the rails while walking can slash your calorie burn by nearly a third—especially at higher inclines where the damage is most severe.