Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...

Strength training after the age of 50 gets a lot of love these days—for good reason. But aerobic (or cardio) exercise—continuous physical activity that increases your heart rate and breathing rate so ...

Walking? Lifting weights? Does it matter what zone you’re in? I have answers.

Fitness programs can be built around just about anything. CrossFit is based on the philosophy that constantly varied movements performed with moderate intensity improve physical competence. Yoga is ...

If you’re new to exercise or evaluating your current routine, there are a lot of variables to consider. Should you be focused on strength training or cardio? High-intensity interval training or more ...