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- Title
Cardiorespiratory Fitness of Visually Impaired Footballers through Direct and Indirect Methods: A Pilot Study.
- Authors
Silva, Pablo R. O.; Mainenti, Míriam; Felicio, Lilian; Ferreira, Arthur; Lopes, Agnaldo; Bernhoeft, Marcus; Vigário, Patrícia S.
- Abstract
The purpose of this study was to compare the cardiorespiratory fitness of visually impaired (VI) footballers with non-blind footballers and to examine the validity of the 20-m shuttle run test in estimating cardiorespiratory fitness in VI footballers. A cross-sectional study was conducted with 8 VI football 5-aside players and 7 age-matched non-blind futsal players. The groups performed the cardiopulmonary exercise testing (CPET) and the 20-m shuttle run to obtain the maximal oxygen consumption (VO2 max). The VI footballers presented a lower VO2 max than the non-blind footballers on both the CPET (P=0.04) and the 20-m shuttle run (P<0.05). The 20-m shuttle run test underestimated VO2 max in the VI footballers (P=0.02). The agreement between the estimated and measured VO2 max values were better among non-blind footballers (ICC2,1 = 0.72) than the VI footballers (ICC2,1 =0.58), confirmed by Altman and Bland's graphical approach. The VI footballers presented a lower cardiorespiratory fitness than the non-blind footballers, which was observed through direct and indirect methods. The 20-m shuttle run test underestimated the VO2 max and is not a valid method to assess cardiorespiratory fitness in VI footballers.
- Subjects
PHYSICAL fitness; HEALTH of football players; PEOPLE with visual disabilities; EXERCISE tests; CROSS-sectional method
- Publication
Journal of Exercise Physiology Online, 2018, Vol 21, Issue 5, p170
- ISSN
1097-9751
- Publication type
Article