The evaluation of the differences in energy expenditure of adults walking
DOI:
https://doi.org/10.14198/jhse.2015.10.Proc1.32Keywords:
gait, fat, men, breath-by-breath, treadmillAbstract
This study describes differences between oxygen uptake (VO2; ml·min-1·kg-1) and energy expenditure (EE; kJ·min-1·kg-1) during treadmill walking at various velocities (3, 4 and 5 km·h-1) and inclinations (0, +12 a -12 %). Six men [age 22,83 ± 2,23 y.o., weight (BM) 75,18 ± 4,83 kg, height 180,5 ± 4,51 cm; body fat (PBF) 15,3 ± 3,67 % of BM]. Anthropometric variables and walking test were been performed during one session. Walking test consisted of 5 minutes stages (all combination of 3 velocities and 3 inclination, total test length of 45 minutes) and at the last two minutes of each stage were collected EE and VO2 in breath-by-breath analysis. Significant difference (p < .05) were discovered between the velocities at same inclination in VO2 and EE except walking downhill at velocities of 3-4 (p = .074) and 4-5 km (p = .116, reps. p = .106). The most noticeable change is the diversity of VO2 and EE between the various speeds at different treadmill inclinations. No significant relations were found between anthropometric variables and VO2, resp. EE, with the only exception BM vs. EE at 3 km·h-1 +12% (r = .84).Downloads
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