AI Article Synopsis
- Older adults experience a loss of bone mineral density (BMD), which can lead to fractures, but participation in high-impact sports may help maintain BMD as they age.
- The study evaluated 560 senior athletes at the 2005 National Senior Games to see if high-impact sports participation predicts better BMD.
- Results showed that seniors engaging in high-impact sports had significantly better BMD scores compared to those in non-high-impact activities, suggesting that such exercise is crucial for bone health in aging populations.
Article Abstract
Background: Loss of bone mineral density (BMD) and resultant fractures increase with age in both sexes. Participation in resistance or high-impact sports is a known contributor to bone health in young athletes; however, little is known about the effect of participation in impact sports on bone density as people age.
Hypothesis: To test the hypothesis that high-impact sport participation will predict BMD in senior athletes, this study evaluated 560 athletes during the 2005 National Senior Games (the Senior Olympics).
Study Design: Cross-sectional methods. The athletes completed a detailed health history questionnaire and underwent calcaneal quantitative ultrasound to measure BMD. Athletes were classified as participating in high impact sports (basketball, road race [running], track and field, triathalon, and volleyball) or non-high-impact sports. Stepwise linear regression was used to determine the influence of high-impact sports on BMD.
Results: On average, participants were 65.9 years old (range, 50 to 93). There were 298 women (53.2%) and 289 men (51.6%) who participated in high-impact sports. Average body mass index was 25.6 ± 3.9. The quantitative ultrasound-generated T scores, a quantitative measure of BMD, averaged 0.4 ± 1.3 and -0.1 ± 1.4 for the high-impact and non-high-impact groups, respectively. After age, sex, obesity, and use of osteoporosis medication were controlled, participation in high-impact sports was a significant predictor of BMD (R(2) change 3.2%, P < .001).
Conclusions: This study represents the largest sample of BMD data in senior athletes to date. Senior participation in high-impact sports positively influenced bone health, even in the oldest athletes.
Clinical Relevance: These data imply that high-impact exercise is a vital tool to maintain healthy BMD with active aging.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3445153 | PMC |
| http://dx.doi.org/10.1177/1941738109347979 | DOI Listing |
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