Abstract
ObjectivesPhysical activity in children and adolescents has positive effects on cardiopulmonary function in this age group as well as later in life. As poor cardiopulmonary function is associated with higher mortality and morbidity, increasing physical activity especially in children needs to become a priority. Trampoline jumping is widely appreciated in children. The objective was to investigate its use as a possible training modality.MethodsFifteen healthy children (10 boys and 5 girls) with a mean age of 8.8 years undertook one outdoor incremental running test using a mobile cardiopulmonary exercise testing unit. After a rest period of at least 2 weeks, a trampoline test using the mobile unit was realized by all participants consisting of a 5-min interval of moderate-intensity jumping and two high-intensity intervals with vigorous jumping for 2 min, interspersed with 1-min rests.ResultsDuring the interval of moderate intensity, the children achieved dot{V}{O}_2-values slightly higher than the first ventilatory threshold (VT1) and during the high-intensity interval comparable to the second ventilatory threshold (VT2) of the outdoor incremental running test. They were able to maintain these values for the duration of the respective intervals. The maximum values recorded during the trampoline test were significantly higher than during the outdoor incremental running test.ConclusionTrampoline jumping is an adequate tool for implementing high-intensity interval training as well as moderate-intensity continuous training in children. As it is a readily available training device and is greatly enjoyed in this age group, it could be implemented in exercise interventions.
Highlights
Cardiorespiratory fitness (CRF) is an objective, reproducible, and physiological measure [1] that can be recorded by using maximal graded cardiorespiratory exercise testing and determining peak oxygen uptake (V Peak oxygen uptake (O2peak) ) [2].Evidence of the association between low CRF and a higher morbidity and mortality from all causes, including cardiovascular disease and cancer, has been consistent and strong [3]
Trampoline jumping is an adequate tool for implementing high-intensity interval training as well as moderate-intensity continuous training in children
Oxygen Uptake
Summary
Cardiorespiratory fitness (CRF) is an objective, reproducible, and physiological measure [1] that can be recorded by using maximal graded cardiorespiratory exercise testing and determining peak oxygen uptake (V O2peak ) [2].Evidence of the association between low CRF and a higher morbidity and mortality from all causes, including cardiovascular disease and cancer, has been consistent and strong [3]. Cardiorespiratory fitness (CRF) is an objective, reproducible, and physiological measure [1] that can be recorded by using maximal graded cardiorespiratory exercise testing and determining peak oxygen uptake (V O2peak ) [2]. An improvement of CRF by 1 ml/kg/min (determined using a maximal bike test) has been shown to reduce the risk for developing overweight or obesity by 10% in 6 years [4]. In addition to that, improving CRF in childhood and adolescence is associated with a healthier cardiovascular profile in later life [5]. As CRF is an objective reproducible physiological measure reflecting the functional influences of physical activity habits, genetics, and disease status [7], the aim should be to improve CRF early in life. It is essential to devise effective exercise modalities fit for the use in very young children to change their general movement pattern towards a higher level of physical activity
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