: The ability of the heart and lungs to provide oxygen to muscles during sustained physical activity.
: The maximum force a muscle can exert against resistance. fitness fitness
While biological fitness refers to reproductive success, human physical fitness is increasingly tied to mental well-being and life purpose. Purpose keeps the body alive as we age - Facebook : The ability of the heart and lungs
: The ratio of fat to lean mass (muscle, bone, and water) in the body. Purpose keeps the body alive as we age
Fitness is often simplified into a "scalar" value—a single number representing how much someone can lift or how fast they can run. However, true physical fitness is a set of both health-related and skill-related attributes that allow an individual to perform daily tasks with optimal performance, endurance, and strength. It is the body's ability to work together efficiently to respond to normal life situations, from schoolwork to manual labor, without excessive fatigue. The Core Components of Fitness
Modern fitness is typically categorized into five primary health-related components:
Fitness Fitness: The Evolution, Mechanics, and Philosophy of Human Movement Introduction