Bone metabolism in response to oat bran consumption and jogging exercise in young males
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Adopting a physically active lifestyle along with consumption of nutritional supplementation is a strategy for improving health-related quality of life. We aimed to investigate the combined effects of oat bran consumption and jogging exercise compared to oat bran consumption alone and jogging exercise alone on bone metabolism in young males.
Forty-seven sedentary male university students with mean age 20.9 ± 1.7 years were recruited. They were randomly assigned into sedentary control (C), oat bran supplementation alone (OB), exercise alone (EX) and combined oat bran and exercise (OBEX) groups. The participants in OB and OBEX group consumed 18 g of oat bran powder with 3.6 g of β-glucan daily for 8 weeks. The participants in Ex and OBEx group performed jogging exercise with moderate intensity, i.e. 55–70% of their age-predicted HRmax, 30 min per day, 3 days per week for 8 weeks. Participants’ anthropometric parameters and bone metabolism markers were measured at pre- and post-intervention. Repeated measures ANOVA was performed for statistical analysis.
In OB group, no significant changes in bone metabolism markers were observed. In EX group, there was a significant increase (p < 0.05) in carboxyterminal telopeptide of type 1 collagen (CTX-1). However, there were no significant changes in bone metabolism markers in OBEX group.
Eight weeks of jogging exercise alone elicited significant effects on bone turnover marker in young sedentary males. Nevertheless, future studies with longer exercise duration and higher dosage of oat bran are warranted to investigate the combined effects of jogging exercise and oat bran consumption on bone metabolism markers in this population.
KeywordsOat bran Jogging Bone metabolism
We wish to thank all the participants in this study. We would like to thank Puan Norlida Azalan, Puan Nurfadhilah Ain and Encik Mohd Nawawi Yasin from Exercise and Sports Science Programme, School of Health Sciences, Universiti Sains Malaysia for providing the technical support. The sponsorship of oat bran powder from Summit Company (Malaysia) Sdn Bhd. used in this study is very much appreciated.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
The present study was approved by the Human Research Ethics Committee of Universiti Sains Malaysia (reference number: USM/JEPeM/15050158).
Written informed consent have been obtained from all the participants.
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