Physical fitness is a set of attributes that are either health- or skill-related. Being physically fit has been defined as "the ability to carry out daily tasks with vigor and alertness, without undue fatigue and with ample energy to enjoy leisure-time pursuits and to meet unforeseen emergencies". There are different components of physical fitness, depending on the source. Here are some of the most commonly cited components:
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Health-related components: These are attributes that relate to overall health and well-being. The five most commonly cited health-related components are:
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Cardiovascular endurance: the ability of the heart, lungs, and blood vessels to deliver oxygen to working muscles and tissues during sustained physical activity.
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Muscular strength: the amount of force a muscle can exert against a resistance.
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Muscular endurance: the ability of a muscle group to engage repetitively over an extended period of time.
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Flexibility: the range of motion available at a joint.
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Body composition: the proportion of fat, muscle, and bone in the body.
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Skill-related components: These are attributes that relate to athletic ability. The six most commonly cited skill-related components are:
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Balance: the ability to maintain equilibrium while stationary or moving.
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Coordination: the ability to use different parts of the body together smoothly and efficiently.
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Agility: the ability to change direction quickly and accurately.
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Speed: the ability to move quickly.
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Power: the ability to exert maximum force in a short period of time.
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Reaction time: the ability to respond quickly to a stimulus.
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Its important to note that different sources may use different terminology or group the components differently. However, the health-related components of physical fitness are generally agreed to be cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition.
