Health chap. 4 defs

Physical activity

Is any form of movement that causes you body to use energy

Physical fitness

The ability to carry out daily task and have enough reserve energy to respond to unexpected demands

Sedentary lifestyle

Way of life that involves little physical activity

Osteoporosis

A condition characterized by a decrease in bone density, producing porous and fragile bones

Metabolism

The process by which you body gets energy from food

Cardiorespiratory endurance

The ability of the heart, lungs, and blood vessels to utilize and send fuel and oxygen to the body's tissues to during long periods of moderate to vigorous activity

Muscular strength

The amount of force a muscle can exert

Muscular endurance

The ability of the muscles to perform physical tasks over a period of time without becoming fatigued

Flexibility

The ability to move a body part through a full range of motion

Body composition

The ratio of body fat to lean body tissue, including muscle, bone, water and connective tissue such as ligaments, cartilage and tendons

Exercise

Purposeful physical activity that is planned, structured, and repetitive and that improves or maintains personal fitness

Aerobic exercise

Is any activity that uses large muscle groups, is rhythmic in nature, and can be maintained continuously for at least 10 min three times a day or for 20 to 30 min at any time

Anaerobic exercise

Involves intense short bursts of activity of activity in which muscles work so hard that they produce energy without using oxygen

Overload

Working the body harder than it is normally worked

Progression

Is the gradual increase in overload necessary to achieve higher levels of fitness

Specificity

Particular exercises and activities improve particular areas of health related fitneas

Warm up

An activity that prepares muscles for work

Workout

The part of the exercise program when the activity is performed at its highest peak

F.i.t.t

Frequency intensity time/duration type

Cool down

Is an activity that prepares the muscles to return to a resting state

Resting heart rate

Is the # of time a your heart beats in one minute

Training program

A program of formalized physical activity preparation for involvement in a sport or another physical activity

Hydration

Taking fluids so that the body functions properly

Anabolic steroids

Synthetic substances

Health screening

Search for diseases or disorders

Overextension

Overworking the body

Heat cramps

Muscle spasms that result from a loss of water through perspiration

Heatstroke

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

Frostbite

Is a condition that results when body tissues become frozen

Hypothermia

A condition in which the body becomes dangerously low

Muscle cramp

A spasm or sudden movement or tightening of a muscle

Train

Is a condition resulting from damaging a muscle or tendon

Sprain

An injury to the ligament surrounding a joint