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Emotional responses during repeated sprint intervals performed on level, downhill and uphill surfaces

Abstract : The purpose of this study was to test emotional responses during sprint intervals performed on a level, down and up surface. Fifty trained participants performed a maximal effort during a 60-m sprint and 10 repetitions of 60 m running sprints on a level, down and up surface on a 5.9% slope. Running speeds, emotional responses and heart rate were measured. Selfselected speeds were correlated with the rating of perceived exertion, the affective balance, the desire to stop and the resources needed for the task in all conditions whereas the pleasure, the desire to continue and the capacity to realise the task were correlated with speeds only during level and uphill running. Mean values of emotional parameters were significantly different (P < 0.05) during running on a flat surface, downhill and uphill. When the gradient of running surface is changed, the pattern of emotional responses was just translated, i.e. most of the slope between the evolution of emotional parameters and the repetitions were not significantly different whereas Y-intercepts were different. Consented effort is highly correlated with the resources needed for the task (P < 0.001, r2 = 0.72). We propose that the difference in the resources needed for the task between level, downhill and uphill running (F 2, 1499 = 166.5, P < 0.001, Eta2 = 0.18) is the most important key that explains our results.
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Bertrand Baron, Bertrand Guilloux, Mylène Begue, Stéphane Uriac. Emotional responses during repeated sprint intervals performed on level, downhill and uphill surfaces. Journal of Sports Sciences, Taylor & Francis: SSH Journals, 2014, 33 (5), pp.476 - 486. ⟨10.1080/02640414.2014.947523⟩. ⟨hal-01388901⟩

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