Science-backed, expert-driven content to guide your fitness journey. Find your motivation, your movement, and the resources you need to make fitness a lifestyle.

Overview of exercise recommendations for adults, pregnant women, and children

Everything you need to know about the components of physical fitness and how to get started with exercise.

Physical fitness is achieved through exercise, among other factors. Photo shows Rich Froning Jr., four-time winner of "Fittest Man on Earth" title. Physical fitness is a state of health and well-being and, more specifically, the ability to perform aspects ...

Most often, measures of fitness involve these key areas: Aerobic fitness, which involves how well the heart uses oxygen. Muscle strength and endurance, which involve how hard and long muscles can work. Flexibility, which is how able joints are to move thro...

This article provides details on what physical fitness is, what it means to be fit, and the five main components of physical fitness.