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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Effect of a bicycle's component on the energy expenditure
 Růžek, Ondřej ; Jindra, Matouš (advisor) ; Baláš, Jiří (referee)
Title: Effect of a bicycle's component on the energy expenditure Objectives: Aim of this bachelor's thesis is to determine the difference of energy expenditure in a different component mounting frame of the bicycle. Methods: The study involved 6 probands aged 25.5 ± 3.6 years. Energy expenditure was calculated on the basis of oxygen consumed (O2) and carbon dioxide exhaled (VCO2). To measure was used exhaled gas analyzer Metamax from Cortex and method spiroergometry. Probands completed two runs cadence of 95 rounds per minute on a bicycle with a different component (a shock). Completed line measured 750 meters, led to a gradient of 5 ř ± 2 řand lasts 3 minutes. Results: In our study we found that the differences in energy intensity during bicycling on a hard-tail bike compared to a full-suspension are due to the standard error of the analyzer exhaled gases Metamax® insignificant. VO2 values during the study period did not exceed the threshold of 2 ml /kg/min for the confirmation the authenticity of our hypothesis. Cycling with two shock-absorbers at a distance of 750 m long and 3 minutes remains segment with the inclination of 5 ř ± 2 ř cause energy expenditure in the average value of 161.23 ± 33.15 kJ versus bicycling without shock-absorber and 160.98 ± 24.10 kJ expenditure, which represents an...
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