Exercise and Activity (cont.)
In this Article
Common physical activity and fitness terms
Calorie: A measure of energy from food. (3,500 kilocalories of food energy = 1 pound of body weight). Also the amount of heat required to raise the temperature of 1 gram of water 1° C (1000 calories = 1 kilocalorie). An interesting fact: When we see "Calories" on a food label it is actually measuring kilocalories.
Cardiorespiratory fitness: (also called aerobic endurance or aerobic fitness). Cardiorespiratory endurance is the ability of the body's circulatory and respiratory systems to supply fuel and oxygen during sustained physical activity.
Exercise: Exercise is physical activity that is planned or structured. It involves repetitive bodily movement done to improve or maintain one or more of the components of physical fitness-cardiorespiratory endurance (aerobic fitness), muscular strength, muscular endurance, flexibility, and body composition.
Household physical activity: Household physical activity includes (but is not limited to) activities such as sweeping floors, scrubbing, washing windows, and raking the lawn.
Inactivity is not engaging in any regular pattern of physical activity beyond daily functioning.
Kilocalorie: The amount of heat required to raise the temperature of 1 kg of water 1° C. Kilocalorie is the ordinary calorie discussed in food or exercise energy-expenditure tables and food labels.
Leisure-time physical activity: Leisure-time physical activity is exercise, sports, recreation, or hobbies that are not associated with activities as part of one's regular job duties, household, or transportation.
MET:The standard metabolic equivalent, or MET, level. This unit is used to estimate the amount of oxygen used by the body during physical activity. 1 MET = the energy (oxygen) used by the body as you sit quietly, perhaps while talking on the phone or reading a book. The harder your body works during the activity, the higher the MET.
Moderate-intensity physical activity:Moderate-intensity physical activity refers to a level of effort in which a person should experience:
Occupational physical activity: Occupational physical activity is completed regularly as part of one's job. It includes activities such as walking, hauling, lifting, pushing, carpentry, shoveling, and packing boxes.
Physical activity: Physical activity is any bodily movement produced by skeletal muscles that result in an expenditure of energy.
Physical fitness: Physical fitness is a set of attributes a person has in regards to a person's ability to perform physical activities that require aerobic fitness, endurance, strength, or flexibility and is determined by a combination of regular activity and genetically inherited ability.
Regular physical activity: A pattern of physical activity is regular if activities are performed:
Note: These are minimum recommendations, greater health outcomes can be achieved by doing additional types activities and/or increasing time spent doing activities.
Transportation physical activity: Transportation physical activity is walking, biking or wheeling (for wheelchair users), or similar activities to and from places such as: work, school, place of worship, and stores.
Vigorous-intensity physical activity: Vigorous-intensity physical activity may be intense enough to represent a substantial challenge to an individual and refers to a level of effort in which a person should experience:
Weight-bearing physical activity: Any physical activity that imparts a load or impact (such as jumping or skipping) on the skeleton.
Medically reviewed by Martin E Zipser, MD; American board of Surgery
Medically Reviewed by a Doctor on 4/4/2014
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