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Unformatted text preview: The Framework for the Physical Activity Guidelines for Americans The Advisory Committee report provided the content and conceptual underpinning for the Guidelines. The main elements of this framework are described in the following sections. Baseline Activity versus Health-Enhancing Physical Activity Physical activity has been defined as any bodily movement produced by the contraction of skeletal muscle that increases energy expenditure above a basal level. However, in this document, the term physical activity will generally refer to bodily movement that enhances health. Bodily movement can be divided into two categories: Baseline activity refers to the light-intensity activities of daily life, such as standing, walking slowly, and lifting lightweight objects. People vary in how much baseline activity they do. People who do only baseline activity are considered to be inactive. They may do very short episodes of moderate- or vigorous-intensity activity, such as climbing a few flights of stairs, but these episodes...
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This document was uploaded on 11/04/2011 for the course PFW 101 at Texas State.
- Fall '10