Fitness Fitness -

: The ability of a muscle to perform repeated contractions over time without tiring. Flexibility : The range of motion available at a joint.

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 fitness fitness

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 : The ability of a muscle to perform

: The "rejection of the body" in the Dark Ages gave way to a fresh start during the Renaissance, where physical culture began to re-emerge. Purpose keeps the body alive as we age

The concept of fitness has shifted dramatically throughout human history:

: The ratio of fat to lean mass (muscle, bone, and water) in the body.