Aerobic steppers may seem like long-forgotten accessories from vintage workout classes, but don’t think this simple tool has lost its strength in today’s fitness realm. These lightweight, ...

The cardio craze has ebbed and flowed for decades. At various points in time, it’s felt like everyone is obsessed with cardio-based workouts—and doing a lot of them—from step aerobics in the ’80s to ...

Aerobic exercise, also known as cardio, "involves activities that use large muscle groups rhythmically and continuously, raising the heart and breathing rates," explains Gontang. He says that the word ...