Ch 2 Principles of Physical Fitness

Front

Physical activity

Back

Body movement carried out by skeletal muscles requiring energy.

Front

Exercise

Back

Planned, structured, repetitive movement to improve or maintain physical fitness.

Front

Physical fitness

Back

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

Front

Calorie

Back

A measure of energy; 1 kilocalorie raises the temperature of 1 liter of water 1°C. Often used for larger energy units.

Front

Health-related fitness

Back

Physical capacities contributing to health: cardiorespiratory endurance, muscular strength, muscular endurance, flexibility, and body composition.

Front

Cardiorespiratory endurance

Back

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

Front

Oxygen

Back

An element making up 20.8% of the atmosphere, critical for generating usable energy in the body.

Front

Muscular strength

Back

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

Front

Relative strength

Back

The maximum force exerted relative to body weight, body size, and muscle size.

Front

Metabolism

Back

The sum of all vital processes by which food energy and nutrients are made available to and used by the body.