Eur J Appl Physiol (2017) 117:1917–1928 DOI 10.1007/s00421-017-3683-0 ORIGINAL ARTICLE Changes in appetite, energy intake, body composition, and circulating ghrelin constituents during an incremental trekking ascent to high altitude 1 1 2,4 1 1,3 Jamie Matu · John O’Hara · Neil Hill · Sarah Clarke · Christopher Boos · 4 4 1 1 Caroline Newman · David Holdsworth · Theocharis Ispoglou · Lauren Duckworth · 1,4 1,4 1 David Woods · Adrian Mellor · Kevin Deighton Received: 10 April 2017 / Accepted: 16 July 2017 / Published online: 24 July 2017 © The Author(s) 2017. This article is an open access publication Abstract lower at 5140 m (P = 0.070), compared with baseline. Des- Purpose Circulating acylated ghrelin concentrations are acylated ghrelin concentrations did not significantly change associated with altitude-induced anorexia in laboratory during the trek (P = 0.177). Total ghrelin concentrations environments, but have never been measured at terrestrial decreased from baseline to 4600 m (P = 0.045). Skinfold altitude. This study examined time course changes in appe- thickness was lower at all points during the trek compared tite, energy intake, body composition, and ghrelin constitu- with baseline (P ≤ 0.001) and calf girth decreased incre- ents during a high-altitude trek. mentally during the trek (P = 0.010). Methods Twelve participants [age: 28(4) years, BMI Conclusions Changes in plasma
European Journal of Applied Physiology – Springer Journals
Published: Jul 24, 2017
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