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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Loenneke, Jeremy P. Blackburn, Elizabeth H. Loprinzi, Paul D. |
| Description | Country affiliation: Canada Author Affiliation: Loprinzi PD ( 1Center for Health Behavior Research, Department of Health, Exercise Science, and Recreation Management, University of Mississippi, University, MS) |
| Abstract | INTRODUCTION: Short leukocyte telomere length (LTL) has become a hallmark characteristic of aging. Some, but not all, evidence suggests that physical activity (PA) may play an important role in attenuating age-related diseases and may provide a protective effect for telomeres. The purpose of this study was to examine the association between PA and LTL in a national sample of US adults from the National Health and Nutrition Examination Survey. METHODS: National Health and Nutrition Examination Survey data from 1999 to 2002 (n = 6503; 20-84 yr) were used. Four self-report questions related to movement-based behaviors (MBB) were assessed. The four MBB included whether individuals participated in moderate-intensity PA, vigorous-intensity PA, walking/cycling for transportation, and muscle-strengthening activities. An MBB index variable was created by summing the number of MBB an individual engaged in (range, 0-4). RESULTS: A clear dose-response relation was observed between MBB and LTL; across the LTL tertiles, respectively, the mean numbers of MBB were 1.18, 1.44, and 1.54 (Ptrend < 0.001). After adjustments (including age) and compared with those engaging in 0 MBB, those engaging in 1, 2, 3, and 4 MBB, respectively, had a 3% (P = 0.84), 24% (P = 0.02), 29% (P = 0.04), and 52% (P = 0.004) reduced odds of being in the lowest (vs highest) tertile of LTL; MBB was not associated with being in the middle (vs highest) tertile of LTL. CONCLUSIONS: Greater engagement in MBB was associated with reduced odds of being in the lowest LTL tertile. |
| ISSN | 01959131 |
| Issue Number | 11 |
| Volume Number | 47 |
| e-ISSN | 15300315 |
| Journal | Medicine & Science in Sports & Exercise |
| Language | English |
| Publisher | Lippincott Williams & Wilkins (on behalf of the American College of Sports Medicine) |
| Publisher Date | 2015-11-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Aging Physiology Leukocytes Motor Activity Telomere Shortening Adult Aged Aged, 80 And Over Humans Middle Aged Nutrition Surveys Young Adult Journal Article Discipline Sports Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Physical Therapy, Sports Therapy and Rehabilitation Sports Science |
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