PAs that cover occupation and household activities were selected from list of activities provided by the Compendium. The instructions provided to participants were as follows. The activities of daily living were assessed in a laboratory furnished to mimic a household (e.g., dining tables and sink). The number of activities performed per individual differed depending on the time available to the volunteer. They were instructed to perform the activity as they would do at home. Participants were advised to maintain their usual dietary intake and the level of physical activities on the day of activity performance. Nine activities of daily living, including domestic chores of a single household, deskbound occupation activities and prevalent activities of various intensities, were selected to reflect the lifestyle of Korean individuals of this age group. All participants were given detailed information about the process of the study and provided written informed consent before participation. Exclusion criteria were a history of cardiovascular, pulmonary, metabolic, musculoskeletal disease or orthopedic surgery. įrom May 2014 to December 2015, 64 healthy volunteers of deskbound vocation aged between 25 and 46 years participated ( Table 1). The latest version of the Compendium was published in 2011, and about 68% of catalogued PAs have measured MET values. The Compendium has continued to accumulate and categorize published reports of measured energy cost in MET. The activity intensity level was expressed as multiples of the standard resting energy value of 1 MET. In 1993, the "Compendium of Physical Activities" was first published and linked types of PA with the associated EE in MET. The need for consistency in assigning PA intensity levels in the questionnaires used in epidemiologic studies resulted in multisite studies from 1987 to 1989, supported by the National Heart, Lung, and Blood Institute, leading to development of the Compendium in the United State. To provide EE guidelines, the energy costs of PA have been compiled in the list of gross EE of specified activities in the "1985 Joint Food and Agriculture Organization/World Health Organization/United Nations University Expert Consultation on Energy and Protein Requirements".
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