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Open AccessArticle

High-intensity Interval Training Promotes the Shift to a Health-Supporting Dietary Pattern in Young Adults

Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 (PU) Urbino, Italy
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Equally contributing senior authors.
Nutrients 2020, 12(3), 843;
Received: 28 February 2020 / Revised: 13 March 2020 / Accepted: 19 March 2020 / Published: 21 March 2020
(This article belongs to the Special Issue Improving Diet and Lifestyle Is a Key Strategy for Lifelong Health)
A healthy lifestyle is based on a correct diet and regular exercise. Little is known about the effect of different types of exercise on dietary preferences. To address the question of whether high-intensity interval training (HIIT) could modulate spontaneous food choices, an experimental study was carried out on 32 young, healthy normal-weight subjects. The spontaneous diet of each subject has been monitored over nine weeks of indoor-cycling training, divided into three mesocycles with an incremental pattern: total energy intake, macronutrients and micronutrients have been analysed. A two-way mixed model has been used to assess differences in dietary variables; a principal factor analysis has been performed to identify sample subgroups. An increased energy intake (+17.8% at T3; p < 0.01) has been observed, although macronutrients’ proportions did not vary over time, without differences between sexes. An increase of free fat mass was found in the last mesocycle (+3.8%), without an augmentation of body weight, when, despite the increased training load, a stabilization of energy intake occurred. Three different subgroups characterized by different dietary modifications could be identified among participants that showed a common trend towards a healthier diet. Nine weeks of HIIT promoted a spontaneous modulation of food choices and regulation of dietary intake in young normal-weight subjects aged 21–24. Importantly, this life-period is critical to lay the foundation of correct lifestyles to prevent metabolic diseases and secure a healthy future with advancing age. View Full-Text
Keywords: physical exercise; eating behaviour; diet regulation; healthy lifestyle physical exercise; eating behaviour; diet regulation; healthy lifestyle
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Donati Zeppa, S.; Sisti, D.; Amatori, S.; Gervasi, M.; Agostini, D.; Piccoli, G.; Bertuccioli, A.; Rocchi, M.B.; Stocchi, V.; Sestili, P. High-intensity Interval Training Promotes the Shift to a Health-Supporting Dietary Pattern in Young Adults. Nutrients 2020, 12, 843.

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