Hip and spine bone mineral density are greater in master sprinters, but not endurance runners compared with non-athletic controls

Piasecki, J., McPhee, J.S., Hannam, K., Deere, K.C., Elhakeem, A., Piasecki, M., Degens, H., Tobias, J.H. and Ireland, A. (2018) Hip and spine bone mineral density are greater in master sprinters, but not endurance runners compared with non-athletic controls. Archives of Osteoporosis, 13 . p. 72. ISSN 1862-3522

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Summary: We examined bone density in older athletes and controls. Sprinters had greater hip and spine bone density than endurance athletes and controls, whereas values were similar in the latter two groups. These results could not be explained by differences in impact, muscle size or power between sprint and endurance athletes.

Purpose: We examined the relationship between prolonged participation in regular sprint or endurance running and skeletal health at key clinical sites in older age, and the factors responsible for any associations which we observed.

Methods: We recruited 38 master sprint runners (28 males, 10 females, mean age 71 ± 7 years), 149 master endurance runners (111 males, 38 females, mean age 70 ± 6 years) and 59 non-athletic controls (29 males, 30 females, mean age 74 ± 5 years). Dual X-ray absorptiometry was used to assess hip and spine bone mineral density (BMD), body composition (lean and fat mass), whilst jump power was assessed with jumping mechanography. In athletes, vertical impacts were recorded over 7 days from a waist-worn accelerometer, and details of starting age, age-graded performance and training hours were recorded.

Results: In ANOVA models adjusted for sex, age, height, body composition, and jump power, sprinter hip BMD was 10 and 14% greater than that of endurance runners and controls respectively. Sprinter spine BMD was also greater than that of both endurance runners and controls. There were no differences in hip or spine BMD between endurance runners and controls. Stepwise regression showed only discipline (sprint/endurance), sex, and age as predictors of athlete spine BMD, whilst these variables and starting age were predictive of hip BMD.

Conclusions: Regular running is associated with greater BMD at the fracture-prone hip and spine sites in master sprinters but not endurance runners. These benefits cannot be explained by indicators of mechanical loading measured in this study including vertical impacts, body composition or muscular output.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/950984
Keywords: Exercise ; Mechanoadaptation ; Athlete ; Physical activity
Schools/Departments: University of Nottingham, UK > Faculty of Medicine and Health Sciences > School of Medicine
Identification Number: https://doi.org/10.1007/s11657-018-0486-9
Depositing User: Eprints, Support
Date Deposited: 10 Jul 2018 09:43
Last Modified: 04 May 2020 19:50
URI: https://eprints.nottingham.ac.uk/id/eprint/52841

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