Abstract

The aim of the study was to determine the physical, physiological and nutritionalcharacteristics of female futsal players and selected markers of oxidative stress after their exercise training (Loughborough Intermittent Shuttle Test). Eight health female futsal players (age 21.3 ± 3.2 years, body mass 64.5 ± 5.6 kg, height 169.5 ± 6.5 cm, body mass index 22.45 ± 2.25 kg/m2; mean ± SD) participated in this study. Blood samples were collected before, during and immediately after the exercise for glucose, lactate, ascorbic acid, total plasma antioxidant potential, lipid hydroperoxides, malondialdehyde and creatine kinase concentrations. Female futsal players appeared to meet caloric needs but failed to meet minimum carbohydrate and vitamin A, C and E recommendations. Immediately after the exercise there were an increase in lipid hydroperoxides (ranging from 9.32 ± 1.86 μmol?L–1 to 13.02 ± 1.62 μmol?L–1, p –11 to 3.29 ± 0.62 nmol?L–1, p –1 to 185.59 ± 6.96 U.I..L–1, p < 0.05). In parallel, ascorbic acid and total plasma antioxidant potential had a slight decrease during and after exercise. Considering that alterations in oxidative stress parameters associated with inadequate ingestion of nutrients can affect health and performance of game players, further studies are needed to evalu- ate the inclusion of an nutritional education program and extent of biochemical changes through athlete’s recovery pe- riod.

Highlights

  • Futsal is an indoor soccer (5-a-side) officially approved by FIFA (Fédération Internationale de Football Association)

  • Considering that alterations in oxidative stress parameters associated with inadequate ingestion of nutrients can affect health and performance of game players, further studies are needed to evaluate the inclusion of an nutritional education program and extent of biochemical changes through athlete’s recovery period

  • The dietary analysis obtained from R24 showed that the mean vitamin A (510.9 ± 147.0 μg RE), C (69.7 ± 27.5 mg) and E (4.8 ± 1.4 mg TE) intake was below the dietary reference intake [23] (Table 1)

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Summary

Introduction

Futsal is an indoor soccer (5-a-side) officially approved by FIFA (Fédération Internationale de Football Association). Futsal is characterized as an intermittent sport that makes high physical, technical, and tactical demands on players [2]. Studies evaluating match demands of futsal demonstrated that players spent more than 50% of the playing time at exercise intensities higher than 90% of maximum HR (HRmax) and blood lactate concentration increased after physical stimulation, reaching average values of 5.3 mmol·L–1 [3,4]. These data suggests that futsal games demands high physical effort energetically sustained mainly by anaerobic metabolism.

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