HIIT Treadmill Routine for Beginners: The Workout That Wakes Up Your Metabolism
The treadmill gets a bad rap. Walk. Jog. Zone out. Stare at the timer like it owes you money. It’s the go-to machine when you “just need to do some cardio,” but also the fastest way to get bored. Here’s the problem: steady-state cardio feels safe, but it doesn’t