Losing weight and getting in shape are popular New Year's resolutions -- but before you join a gym with the masses, it may help to determine your current fitness level with a walk test. kmlPhoto - ...

While walking, hiking or doing other cardiovascular exercise, you might focus on your breathing or heart rate to gauge how hard you’re working. That’s a perfectly good approach, but it won’t tell you ...

You might know your weight, your step count, or even how much you can lift at the gym. But do you know how fit your heart and lungs really are? Cardio fitness, or the cardiovascular endurance, ...