Jumping Exercise Combined With Collagen Supplementation Preserves Bone Mineral Density in Elite Cyclists-Reference-Cited by-同舟云学术

Jumping Exercise Combined With Collagen Supplementation Preserves Bone Mineral Density in Elite Cyclists

Published:2024-01-01 Issue:1 Volume:34 Page:38-47
ISSN:1526-484X
Container-title:International Journal of Sport Nutrition and Exercise Metabolism
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Author:

Hilkens Luuk¹²^ORCID,van Schijndel Nick¹,Weijer Vera C.R.¹²^ORCID,Decroix Lieselot³,Bons Judith⁴,van Loon Luc J.C.¹²^ORCID,van Dijk Jan-Willem¹^ORCID

Affiliation:

1. School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, the Netherlands

2. Department of Human Biology, NUTRIM, Maastricht University Medical Center+, Maastricht, the Netherlands

3. Team Jumbo-Visma (Professional Cycling Team), Den Bosch, the Netherlands

4. Central Diagnostic Laboratory, Maastricht University Medical Center+, Maastricht, the Netherlands

Abstract

This study assessed the effect of combined jump training and collagen supplementation on bone mineral density (BMD) in elite road-race cyclists. In this open-label, randomized study with two parallel groups, 36 young (21 ± 3 years) male (n = 8) and female (n = 28) elite road-race cyclists were allocated to either an intervention (INT: n = 18) or a no-treatment control (CON: n = 18) group. The 18-week intervention period, conducted during the off-season, comprised five 5-min bouts of jumping exercise per week, with each bout preceded by the ingestion of 15 g hydrolyzed collagen. Before and after the intervention, BMD of various skeletal sites and trabecular bone score of the lumbar spine were assessed by dual-energy X-ray absorptiometry, along with serum bone turnover markers procollagen Type I N propeptide and carboxy-terminal cross-linking telopeptide of Type I collagen. BMD of the femoral neck decreased in CON (from 0.789 ± 0.104 to 0.774 ± 0.095 g/cm2), while being preserved in INT (from 0.803 ± 0.058 to 0.809 ± 0.066 g/cm2; Time × Treatment, p < .01). No differences between treatments were observed for changes in BMD at the total hip, lumbar spine, and whole body (Time × Treatment, p > .05 for all). Trabecular bone score increased from 1.38 ± 0.08 to 1.40 ± 0.09 in CON and from 1.46 ± 0.08 to 1.47 ± 0.08 in INT, respectively (time effect: p < .01), with no differences between treatments (Time × Treatment: p = .33). Serum procollagen Type I N propeptide concentrations decreased to a similar extent in CON (83.6 ± 24.8 to 71.4 ± 23.1 ng/ml) and INT (82.8 ± 30.7 to 66.3 ± 30.6; time effect, p < .001; Time × Treatment, p = .22). Serum carboxy-terminal cross-linking telopeptide of Type I collagen concentrations did not change over time, with no differences between treatments (time effect, p = .08; Time × Treatment, p = .58). In conclusion, frequent short bouts of jumping exercise combined with collagen supplementation beneficially affects femoral neck BMD in elite road-race cyclists.

Publisher

Human Kinetics

Subject

Nutrition and Dietetics,Orthopedics and Sports Medicine,General Medicine,Medicine (miscellaneous)

Link

https://journals.humankinetics.com/downloadpdf/journals/ijsnem/34/1/article-p38.xml

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