I’ve had a regular exercise habit for more than 20 years, and across the decades, I’ve gone through more phases than the moon. The elliptical/Nautilus machine workout combo that was hot in the late ...

The modern-day gym floor is littered with hulking, intricate, alien-looking contraptions that can confuse and/or intimidate even the most diligent Pumping Iron–type wannabes. (Take the Skillmill ...