Extreme obesity is defined by a body mass index (BMI) above the 99.5th percentile. The KiGGS study, a representative population-based survey, showed that, in Germany, 15.4% of the adolescents are overweight and 5.9% are obese. Obesity in childhood and adolescence is a growing and worldwide issue.
Both the BC and the TM CPET could be used for assessing physical fitness in children and adolescents with extreme obesity but should not be used interchangeably. This could be due to the extreme body weight carried by the participants. Lower La max values on the TM suggest maximum physical exertion was not achieved. However, no significant difference was observed in either La max values or between the genders.Ĭonclusions: The higher values of HR max and VO 2peak/kg could be attributed to the activation of a higher percentage of muscle mass on the TM. The values of HR max and VO 2peak/kg were significantly higher for adolescents tested on the TM. The results of the BC and the TM were as follows: maximum heart rate (HR max) 186.4 ± 8.6 beats per minute (bpm) vs. In this study, twenty participants, aged 12–17 years, with a body mass index (BMI) above the 99.5th percentile, were comparatively assessed, using a correlation between their physical fitness on a bicycle (BC) and treadmill (TM) cardiopulmonary exercise testing (CPET) with a lactate diagnostic. Currently, there are limited recommendations available on proven methods for recording physical fitness in children and adolescents presenting with extreme obesity. It is well-known that children and adolescents with obesity have increased over recent decades which in turn carries greater risk of co-morbidities and poses a preventive as well as a therapeutic challenge.
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