WHEN IT comes to your fitness routine, it's nice to switch things up. For a workout that is low-impact (a.k.a. joint-friendly) but has a high payoff, consider an indoor rowing machine. It might just ...

If I could only own one piece of cardio kit, it would be a rowing machine. Why? Because from my experience, it builds fitness better than any other. Rowing machines force your body to work as one to ...