Esta aqui:Inicio | Do women with diagnosed osteopenia achieve the health physical activity guidelines? Objective... |
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Introduccion: The benefits of physical activity (PA) are well documented (Lee et al., 1995; Paffenbarger et al., 1993; Paffenbarger et al., 1994; Blair et al., 1995). Therefore, PA promotion has become one of the principal health promotion strategies (CDC, 2001a). Metodology: 55 women aged from Toledo, Spain, diagnosed with osteopenia successfully filled in the IPAQ questionnaire and wore an MTI Actigraph accelerometer Statistical Analysis: A descriptive analysis presented the achievement of the PA guidelines with the two different methods Results: Low and no significant correlations were obtained between acceleromentry and questionnaire data Conclusion: The subjects of this study reported a greater achievement of the physical activity guidelines for health subjectively Key words: Physical activity, IPAQ, accelerometer, osteopenia INTRODUCTION The benefits of physical activity (PA) are well documented (Lee et al., 1995; Paffenbarger et al., 1993; Paffenbarger et al., 1994; Blair et al., 1995). Therefore, PA promotion has become one of the principal health promotion strategies (CDC, 2001a). The current PA guidelines for health indicate that adults should engage in moderate-to¬vigorous PA (MVPA) for a minimum of 30 minutes per day on most, preferably all, the days of the week (Pate et al., 1995; CDC, 2001a). Unfortunately, a large proportion of adults fail to achieve this guideline (Reeves & Rafferty, 2005; CDC, 2001b). There are also many studies which have indicated the relationship between insufficient PA and osteopenia (K Brooke-Wavell, Jones, Hardman, Tsuritan, & Yamada, 2001; Kemmler, Weineck, Kalender, & Engelke, 2004; Zanker & Cooke, 2004). The purpose of this study was to determine if women with diagnosed osteopenia achieved the physical activity guidelines for health using two validated methods: MTI Actigraph accelerometer worn for four consecutive days, and the Spanish version of the IPAQ questionnaire. METHODODLOGY 55 women aged (57,6±7,1) from Toledo, Spain, diagnosed with osteopenia (TScore <-1,1) successfully filled in the IPAQ questionnaire and wore an MTI Actigraph accelerometer for four consecutive days (Manufacturing Technology Inc., model 7164). STATISTICAL ANALYSIS A descriptive analysis presented the achievement of the PA guidelines with the two different methods. Concurrent validity between MTI Actigraph and the IPAQ questionnaire was assessed using Pearson product-moment correlation. RESULTS Low and no significant correlations were obtained between acceleromentry and questionnaire data (r= .250; p=.106). Only 13 women achieved the PA guidelines objectively using accelerometry (see table 1) whereas 23 women achieved the same guideline through the questionnaire (see table 2). Table 1. Days achieving a minimum of 30 minutes MVPA through accelerometry technology (Objectively) Table 2. Daily minutes of MVPA reported through questionnaire (Subjectively) CONCLUSION The subjects of this study reported a greater achievement of the physical activity guidelines for health subjectively, using the Spanish version of IPAQ questionnaire, than objectively, by MTI Actigraph. Not only is there poor achievement of PA guidelines but there is also poor awareness of actual PA levels. REFERENCES Kemmler, W., Weineck, J., Kalender, W. A., & Engelke, K. (2004). The effect of habitual physical activity, non-athletic exercise, muscle strength, and VO2max on bone mineral density is rather low in early postmenopausal osteopenic women. Journal of musculoskeletal & neuronal interactions, 4(3), 325-334. Lee IM, Hsieh CC, Paffenbarger RS Jr. Exercise intensity and longevity in men: the Harvard Alumni Health Study. JAMA 1995;273:1179--84. Paffenbarger RS Jr, Hyde RT, Wing AL, Lee IM, Jung DL, Kampert JB. Association of changes in physical-activity level and other lifestyle characteristics with mortality among men. N Engl J Med 1993;328:538--45. Paffenbarger RS Jr, Kampert JB, Lee IM, Hyde RT, Leung RW, Wing AL. Changes in physical activity and other lifeway patterns influencing longevity. Med Sci Sports Exerc 1994;26:857--65. Pate, R. R., M. Pratt, S. N. Blair, W. L. Haskell, C. A. Macera, C. Bouchard, D. Buchner, W. Ettinger, G. W. Heath, A. C. King et al. (1995). Physical activity and public health: a recommendation from the Centers for Disease Control and Prevention and the American College of Sports Medicine. JAMA 273 (5): 402¬ 407. Reeves M.J. & Rafferty A.P. (2005). Healthy lifestyle characteristics among adults in the United States, 2000. Arch Intern Med. 2005 Apr 25;165(8):854-7. Zanker, C. L., & Cooke, C. B. (2004). Energy balance, bone turnover, and skeletal health in physically active individuals. Medicine and Science in Sports and Exercise, 36(8), 1372- 1381.
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