Principles of Physical Fitness

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These flashcards cover key concepts and definitions related to physical fitness and exercise principles.

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16 Terms

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Physical Activity

Movement carried out by the skeletal muscles requiring energy, which can vary in ease or intensity.

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Exercise

A planned, structured, repetitive movement explicitly intended to improve or maintain physical fitness.

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Physical Fitness

A set of physical attributes that allows the body to respond or adapt to the demands and stress of physical effort.

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Cardiorespiratory Endurance

The ability to perform prolonged, large-muscle dynamic exercise at moderate-to-high intensity levels.

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Muscular Strength

The ability of a muscle to exert force in a single maximum effort.

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Muscular Endurance

The ability of a muscle to resist fatigue and sustain muscle tension over time.

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Flexibility

The ability to move joints through their full range of motion.

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Body Composition

The proportion of fat and fat-free mass (muscle, bone, and water) in the body.

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FITT Principle

A guideline for creating an exercise program based on Frequency, Intensity, Time, and Type.

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Progressive Overload

The training principle that progressively increasing amounts of stress on the body causes adaptation that improves fitness.

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Reversibility

The principle that fitness improvements are lost when demands on the body are lowered.

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Specificity

The training principle that developing a particular fitness component requires performing exercises specifically designed for that component.

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Sedentary

A lifestyle characterized by a lack of physical activity.

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Moderate-intensity Exercise

Activities that increase your heart rate and breathing but still allow for comfortable conversation.

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Vigorous-intensity Exercise

Physical activities that cause rapid breathing and a substantial increase in heart rate.

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Lifestyle Physical Activity

Physical activities incorporated into daily routines that contribute to overall health.