People with mobility disabilities especially those after spinal cord injury experience significant changes in body composition. Limited physical activity among people with physical disabilities often leads to overweight or obesity. The practice of sport by these people can compensate for the lack of daily physical activity and thus prevent metabolic diseases. The aim of the present study was to evaluate body composition components in disabled hand cyclists using plethysmography. The study group consisted of nine disabled hand cyclists, competing in various disability categories and representing Poland internationally in road cycling. The research was carried out as part of the Academic Integrative Sport project carried out at the Institute of Physical Culture Sciences, College of Medical Sciences, University of Rzeszów and financed as part of the competition 'Social responsibility of science. Popularisation of science and promotion of sport’. Analysis of the collected data showed that all measured parameters are characterised by statistical significance, and individual subgroups (H2-3 and H4-5) differ from each other in terms of mean values of diagnosed parameters.
The aim of this study was to evaluate the characteristics of lower limb power loss after anaerobic exercise in a group of 19 physical education students. The anaerobic effort was performed with the Wingate test. Maximal power output (MPO) of the lower limbs was measured using the OptoJump Next optical measurement system in 2 vertical jumps: CMJ without sweep (CMJ BZ) and CMJ with sweep (CMJ ZZ). Additionally, blood lactic acid concentrations were determined at rest and at 4', 8', and 30' after exercise. The analysis showed that the Wingate test decreased MPO levels, which was mainly determined by the post-exercise increase in blood lactate concentration. There was also a correlation between the decrease in lower limb power and selected indices of the Wingate test.
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