Refers to lack of involvement in physical activity during an individuals leisure time

Behaviour associated with sitting or lying down, including activities such as watching television, working or playing on the computer, driving or sitting in a car, bus or train. It also includes homework, studying or reading. MET of 1-2.

Commonly used to express the intensity of physical activities. A MET is the ratio of a person's working metabolic rate relative to the resting metabolic rate. Your MET level would be 1 if you were generally sedentary (e.g. lying down, reading or sitting and talking). Participation in an activity of moderate intensity would result in a MET level of 3-6.

Something or someone who makes it possible for a particular thing to be done

Something that prevents progress or makes it difficult for someone to achieve something

Refers to the physical characteristics of a population, such as age, gender, ethnicity, family size, job status and education

Any movement of the body produced by skeletal muscles, resulting in energy expenditure

The efficient functioning of the body and its systems, free from disease or illness

The ability to maintain a balance between energy intake and energy expenditure, resulting in a relatively stable weight

A condition in which the body is unable to produce enough insulin, the hormone required for the metabolism of sugar

Having an excess amount of body fat

A collective term for various diseases of the heart and blood vessels

A condition in which the body's bones become weak and break easily.

A condition of episodes of severe chest pain due to inadequate blood flow to the myocardium

The capacity of the brain to function well

The capacity to appropriately display and control one's emotions

The capacity to get on well with others

The change in the behaviour of an individual who is aware they are being assessed

Information obtained from a person's perception, understanding and interpretation of an event

Information obtained via measurable or observable means

The tendency of individual's to respond to questions in a survey in a way that they think will be viewed favourably by others, which often results in overreporting 'good behaviour' and underreporting 'bad behaviour'

A way of viewing things where the entities within a system influence one another

Framework used to develop, implement and critique health promotion strategies aimed at improving the health of people by promoting physical activity and limiting sedentary behaviours.

An individual's inner desire to perform a certain action or behave in a specific way. Examples include doing something for pleasure or believing a specific action is the correct thing to do.

An individual's belief in his or her capacity to execute behaviours necessary to produce specific performance attainments

Centre of the socio-ecological model. Incorporates all personal factors that influence physical activity and sedentary behaviour.

The next layer (2nd) of the socio-ecological model, which has a significant influence on the individual. Includes family, peers, community norms...

The natural and man-made environment in which physical activity can take place. This is the 3rd layer of the socio-ecological model.

The layer of the socio-ecological (4th) that includes all recommendations, procedures, regulations and legislation that has the potential to affect physical activity.

Involves strategies aimed to encourage healthy behaviour in specific environments known as settings, such as school, work and community settings.

Individuals or groups of people who have a vested interested in a particular issue.

Viewed as the predominant influence on youth physical activity levels. Focuses on two questions...

Can be broadly classified as either biological or environmental. They are not sufficient on their own to ensure higher levels of physical activity.

Predominantly social variables that have a direct influence on youth physical activity levels. Prime reinforcers are family, peers and coaches.