KEVIN DEIGHTON THESIS

Large variations in fasting and postprandial ghrelin concentrations between individuals make it difficult to establish the clinical relevance that exercise has on this hormone. Table of Contents Alerts. Using approaches from elite sport to benefit early career academics. First, only six studies were identified as relevant following our literature searches. BMI values of the 73 participants ranged from

AUC calculations were made over the duration of each trial, irrespective of when exercise occurred. Abstract In lean individuals, acute aerobic exercise is reported to transiently suppress sensations of appetite, suppress blood concentrations of acylated ghrelin AG , and increase glucagon-like peptide-1 GLP-1 and peptide-YY PYY. Sensitivity analysis showed that the study by Gholipour et al. The associated research includes approaches to maintain energy deficits for weight loss in overweight populations, as well as methods for promoting a positive energy balance to increase muscle mass in older adults. The results of the current review appear to mirror those of lean individuals. Medicine and Science in Sports and Exercise https: The standardised reduction in acylated ghrelin for exercise versus control conditions was found to be 0.

Kevin serves as an editor for the British Journal of Nutrition and the Journal of Nutritional Sciences, jointly leads the Level 5 Metabolism Journal Club, and has published pedagogical research to inform university approaches for teaching and supporting students. Deighton K; Zahra JC; Stensel DJ The influence of running in a fed versus a fasted state on appetite, energy intake and kevjn energy expenditure in men.

A systematic review and meta-analysis. This suggests that females may be prone to increasing energy intake after exercise training. Understanding the responses of appetite regulatory hormones to exercise and consequently the effect they may have on energy intake and appetite could enhance the understanding of the role of exercise in weight control.

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Hormone area-under-the-curve AUC data for the six studies included in the meta-analysis.

kevin deighton thesis

Two members of the research team JAD and KD independently selected the studies for inclusion in the meta-analysis and later compared notes to reach a mutual consensus. All studies were required to have a control condition which was completed by the same participants who completed the exercise condition.

kevin deighton thesis

Governments are developing schemes and guidelines to help counter overweight and obesity. Proceedings of the Nutrition Societyvol. The inclusion of rest periods prior to exercise into AUC calculations could potentially underestimate the effect of exercise on hormone responses.

kevin deighton thesis

Finally, we cannot directly link the effects of exercise on appetite regulatory hormones to weight loss and management due tgesis the thesiw nature of the studies and the lack of consistency in studies including energy intake and appetite ratings. The results of the current review appear to mirror those of lean individuals. The theme also contributes to the Centre for Human Performance with aligned research to optimise energy balance in athletes and expedition personnel.

Subscribe to Table of Contents Alerts. Medicine and Science in Sports and Exercisevol. For example, acylated ghrelin an appetite-stimulating hormone has been found to be suppressed after vigorous exercise [ 6913 ]. Physiology and Behavior https: Obesity is associated with an increased risk of type 2 diabetes, coronary heart disease, and some types of cancer, as well as strokes [ 2 ].

Journal of Obesity

This analysis thezis only performed for acylated ghrelin as there were not enough studies reporting data for a precise exploration of total PYY and total GLP Journal of Further and Higher Education https: A large and statistically significant Egger statistic indicates the presence of a small study effect. Using approaches from elite sport to benefit early career academics.

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Applied Physiology, Nutrition and Metabolism https: These databases were searched in January with an update search in June and October Deighton K Creating an acute energy deficit without stimulating compensatory increases in appetite: Sarah Chantler Influence of dietary intake on immune function and recovery ability in rugby players.

Outside of academia, Kevin has won national athletics titles and represented Great Britain at the European Cross Country Championships. To receive news and publication updates for Journal of Obesity, enter your email address in the box below.

Kevin Deighton – Leeds Beckett University

In one study, after four days of consecutive exercise, females experienced an increase in acylated ghrelin, whereas males showed no change [ 30 ].

Kevin has also developed an interest in extreme environments, as demonstrated by his role as a research lead for the Dhaulagiri Dieghton Research Expedition in This had negligible influence on the relationship between increased BMI and acylated ghrelin.

European Congress on Obesity Vienna Subsequent researchers confirmed these earlier findings [ 5 — 9 ]. Including baseline acylated ghrelin concentrations and BMI into a multiple metaregression model had little effect on the results; the slope of regression became slightly more negative so that the standardised reduction in acylated ghrelin for exercise versus control was 0.