Time Spent in Select Physical Activity Intensities and Sedentary time, Associations with Physical Capacity in Inactive Older Adults

Craig CM¹, Sénéchal M¹, McLellan AG¹, Slaght J² and Bouchard DR^1,

¹Faculty of Kinesiology, University of New Brunswick, Fredericton New Brunswick, Canada

²Faculty of Kinesiology and Recreation Management, University of Manitoba, Winnipeg Manitoba Canada

Cite this paper:
Craig CM, Sénéchal M, McLellan AG, Slaght J and Bouchard DR. Time Spent in Select Physical Activity Intensities and Sedentary time, Associations with Physical Capacity in Inactive Older Adults. Journal of Physical Activity Research. 2016; 1(1):31-35. doi: 10.12691/jpar-1-1-7

Abstract

The purpose of this study was to examine the relationship between physical activity (PA) intensities and physical capacity (PC) in older adults. A total of 44 people age 65 and above were recruited. PA intensities (sedentary, light, moderate and vigorous) were captured using an accelerometer. PC was measured using eight different objective tests assessing balance, endurance, strength, and flexibility. A global score for PC was calculated on eight individual capacity tests. A score of one was given for each PC test for a result reaching the average norm for their 5-year age group and sex. Time spent in moderate (r = 0.51) and vigorous (r = 0.46) intensities were associated with a greater global PC score (p<.01). Once adjusted for confounders, moderate activity was the only intensity significantly associated with the global PC score. PA at moderate and vigorous intensities, but not sedentary and light are associated with PC.

Keywords:
aging exercise lifestyle sitting functional independence

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