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It's probably no big deal. Probably.
How to make the machine an efficient fat- and calorie-burning furnace.
Weekend warriors, rejoice.
Just invest in a solid pair of sweat-proof earbuds first.
Supramaximal workouts are better when you don't go all out.
Get flipping, hammering, pushing, and jumping.
Stay injury-free so you can coast into running season pain-free.
Forget the treadmill for these high-intensity routines.