Abstract
The maximal acumulated oxygen deficit (MAOD) proposed by Medbo et al. (1988) is considered the gold standard method for anaerobic capacity evaluation. This method assumes that the oxygen consumption increases lineally with the exercise intensity. In this way, knowing the amount of necessary oxygen to accomplish submaximal efforts it is possible to measure the anaerobic capacity through the subtraction of the oxygen predicted to the accomplishment of a maximal exercise by the oxygen consumed experimentally observed. That difference corresponds theoretically to the amount of energy (therefore the capacity) that could be supplied anaerobically (Medbo et al., 1988). Although that evaluation method now has the largest scientific acceptance and it be sensitive to the training of high intensity (Medbo & Burgers, 1989), for the obtaining of that parameter it is necessary that the athlete accomplishes several submaximal efforts of 10 minutes of duration (approximately 4) and one exhausting with duration of approximately 3 minutes. In that way, seeking faster and specific evaluations, it has been suggested the use of half-tethered (TCSA) and treadmill tethered running (TCA) and of the running anaerobic sprint test (RAST) as models of determination of the anaerobic potency (peak and mean power, and index of fatigue), but those tests still were not validated. For that it will be necessary the analysis of reprodutibility, reliability and consistence front to the association of these tests with MAOD (gold standard). Like this, the main objective of that study will be to validate the TCSA, TCA and RAST tests as safe and sensitive methods of anaerobic evaluation of endurance and sprinter runners. The values of peak and mean power, and index of fatigue will be compared by pre-post tests, aiming to verify its agreement between measurements (reprodutibility). Besides, the project aims to verify associations of these parameters obtained from TCSA, TCA and RAST with MAOD at the same conditions (half-tethered and tethered running). Finally, wide associations of these parameters will be accomplished with the 50, 100, 200 and 400 performances of endurance and sprinter high level runners. For that, in the situations of free and half and tethered running, the athletes will accomplish: an incremental test VO2max determination, four submaximal runs of 10 minutes in intensities corresponding to 30, 45, 55, 65 and 80% of VO2max and one supramaximal effort until exhaustion with intensity of 120% of VO2max. (AU)
Scientific publications
(21)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DA CRUZ, JOAO PEDRO;
DALCHECO MESSIAS, LEONARDO HENRIQUE;
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RASTEIRO, FELIPE MARRONI;
GOBATTO, CLAUDIO ALEXANDRE;
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Glycemic Control and Muscle Damage in 3 Athletes With Type 1 Diabetes During a Successful Performance in a Relay Ultramarathon: A Case Report.
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