The effect of intermittent running on biomarkers of bone turnover

Evans, Will, Alan, Nevill, Shaun, McLaren and Massimiliano, Ditroilo (2019) The effect of intermittent running on biomarkers of bone turnover. European Journal of Sport Science. ISSN 1746-1391

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Intermittent exercise might be an efficient means of exercise for improving bone strength and quality. The aim of our study was to examine the effect of intermittent running on bone turnover markers using altered exercise-to-rest intervals. Twelve males completed one control (no exercise), and three, 45-minute intermittent protocols (5 s, 20 s, and 80 s intervals) matched for distance and speed. Fasted venous blood samples were collected at baseline, 1 h, 2 h and 24 h post-exercise. Carboxyterminal crosslinked telopeptide (CTX-I) and procollagen type 1 amino terminal propeptide (P1NP) were used as markers of bone resorption and formation. After adjustment for baseline, CTX-I concentration at 1 h was higher (very likely to most likely small) for 5 s (30.2%; ±90% confidence limits: 10%), 20 s (2.9.0%; ±10%) and 80 s (32.0%; ±10%) compared to control. The very likely small effect remained for 5 s at 2 h (30.2%; ±15%). The effect for 20 s and 80 s was possibly trivial and possibly small/possibly trivial (∼14.5%; ±∼15%). Differences in P1NP concentrations were likely to very likely trivial (∼7.4%; ±∼7.6%). Circulating CTX-I concentration is affected acutely by intermittent running with short-interval (5 s) intermittent loading resulting in a prolonged attenuation in circadian rhythm of CTX-I up to 2 h that was not demonstrated as clearly by longer intervals despite matched internal and external training load.

Item Type: Article
Subjects: Sciences > Sport Sciences
Divisions: Faculty of Health Sciences and Wellbeing
Faculty of Health Sciences and Wellbeing > School of Nursing and Health Sciences
Depositing User: Will Evans
Date Deposited: 07 Aug 2019 09:02
Last Modified: 04 Sep 2020 13:30
ORCID for Will Evans: ORCID iD

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