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Bone turnover following high-impact exercise is not modulated by collagen supplementation in young men: A randomized cross-over trial

Luuk Hilkens; M Boerboom; N. van Schijndel; J Bons; L.J.C. van Loon; Jan-Willem van Dijk

2023AlgemeenArtikel

Low Bone Mineral Density and Associated Risk Factors in Elite Cyclists at Different Stages of a Professional Cycling Career

Luuk Hilkens; N van Schijndel; Vera Weijer; M Boerboom; E van der Burg; V. Peters; R. Kempers; J Bons; L.J.C. van Loon; Jan-Willem van Dijk

2023AlgemeenArtikel

Commentaries on Viewpoint: Do we need to change the guideline values for determining low bone mineral density in athletes?

V. Weijer; L. Hilkens; Naomi Brinkmans; Jan-Willem van Dijk; S. Srivastav; M.A. Gadhvi; R.J. Fernandes; D.P. Filho; M.P. Santos

2022AlgemeenArtikel

The association between gastrointestinal injury, complaints, and food intake in 60-km ultramarathon runners.

N.F.J. van Venrooij; F.C. Wardenaar; D. Hoogervorst; J.M.G. Senden; Jan-Willem van Dijk; Kristin Jonvik

We aimed to assess the association between gastrointestinal (GI) injury, complaints, and food intake in 60-km ultramarathon runners. Thirty-three ultramarathon runners provided pre- and post-race blood samples for assessment of GI injury by intestinal fatty-acid binding protein (I-FABP), and inflammatory …

2022AlgemeenArtikel

Whey protein supplementation does not accelerate recovery from a single bout of eccentric exercise.

Luuk Hilkens; J. De Bock; J. Kretzers; A.F.M. Kardinaal; E.G. Floris-Vollenbroek; P.A.M.J. Scholtens; A.M. Horstman; Luc van Loon; Jan-Willem van Dijk

The current double blind, randomized, placebo-controlled trial with two parallel groups aimed to assess the impact of whey protein supplementation on recovery of muscle function and muscle soreness following eccentric exercise. During a 9-day period, forty recreationally active males received twice daily …

2021AlgemeenArtikel

The impact of beetroot juice supplementation on muscular endurance, maximal strength and countermovement jump performance.

Kristin Jonvik; D. Hoogervorst; H.B. Peelen; Mark de Niet; L.B. Verdijk; Luc van Loon; Jan-Willem van Dijk

Purpose: Dietary nitrate has been shown to enhance muscle contractile function and has, therefore, been linked to increased muscle power and sprint exercise performance. However, the impact of dietary nitrate supplementation on maximal strength, performance and muscular endurance remains to be established. …

2021AlgemeenArtikel

Fragile bones of elite cyclists: to treat or not to treat?

Luuk Hilkens; P. Knuiman; M. Heijboer; R. Kempers; A.E. Jeukendrup; Luc van Loon; Jan-Willem van Dijk

2021AlgemeenArtikel

Last Word on Viewpoint: Fragile bones of elite cyclists: to treat or not to treat?

Luuk Hilkens; P. Knuiman; M. Heijboer; R. Kempers; A.E. Jeukendrup; Luc van Loon; Jan-Willem van Dijk

2021AlgemeenArtikel

Performance and thermoregulation of Dutch Olympic and Paralympic athletes exercising in the heat: Rationale and design of the Thermo Tokyo study: The journal Temperature toolbox.

J.Q. de Korte; C.C.W.G. Bongers; M.T.E. Hopman; L.P.J. Teunissen; K.M.B. Jansen; B.R.M. Kingma; S.B. Ballak; K. Maase; M.H. Moen; Jan-Willem van Dijk; H.A.M. Daanen; T.M.H. Eijsvogels

The environmental conditions during the Tokyo Olympic and Paralympic Games are expected to be challenging, which increases the risk for participating athletes to develop heat-related illnesses and experience performance loss. To allow safe and optimal exercise performance of Dutch elite athletes, the …

2021AlgemeenArtikel

Do Paralympic athletes suffer from brittle bones?

Vera Weijer; Kristin Jonvik; Luc van Loon; T Raastad; Jan-Willem van Dijk

2021AlgemeenConferentiebijdrage

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