Any form of movement that causes your body to use energy

Cardiorespiratory endurance, muscular strength, muscle endurance, flexibility, and body composition

The gradual increase in overload necessary to achieve higher levels of fitness

Taking in fluids so that the body functions properly

A condition in which the body loses the ability to rid itself of excessive heat through perspiration

A way of life that involves little physical activity

Curl-ups

The purpose of a physical activity pyramid

Athletic supporters or cups to protect the groin area

Frostbite and/or hypothermia

Makes your body stronger, increases your energy, and improves your posture

Any activity that uses large muscle groups, is rythmic in nature, and can be maintained continuously for at least 10 minutes three times a day or for 20 to 30 minutes at one time

Frequency, Intensity, Time/duration, Type

Helps ensure that you don't have a health condition that could make the activity dangerous for you and that you're fit enough to begin the activity you've chosen

Muscle cramp, strain, and sprain

14% are overweight

Anaerobic exercises

Exercises and activities improve particular areas of health-related fitness

Synthetic substances that are like the male hormone testosterone

Any break in a bone vs. a bone being forced from its normal position at a joint

An increased risk of osteoporosis, reduced ability to manage stress, decreased opportunities to meet and form friendships with active people who value and live a healthy lifestyle, and unhealthful weight gain

This happens during a person's late twenties and early thirties

72 to 84 bpm

Increased risk of cancer and heart disease, sterility (inability to produce children), skin problems (acne and hair loss), unusual weight gain or loss, sexual underdevelopment and dysfunction, violent, suicidal, or depressive tendencies

A condition in which the tendons are stretched or torn from overuse. Treatment includes rest, medication, and physical therapy.