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Comparative study of cardiorespiratory adaptations in elite basketball players of different age groups.
CONCLUSIONS: The increased LVM is attributed to concentric hypertrophy. This is further supported by the finding that there was no relationship between V̇ O2max and echo parameters. The results of the present study indicate that the cardiorespiratory adaptations caused by basketball training are mainly formed in the early age stages without further increase throughout the years of action. PMID: 33269884 [PubMed - as supplied by publisher]
Source: Journal of Sports Medicine and Physical Fitness - December 5, 2020 Category: Sports Medicine Tags: J Sports Med Phys Fitness Source Type: research

Quantifying the effects of four weeks of low-volume high-intensity sprint interval training on V ̇O2max through assessment of hemodynamics.
CONCLUSIONS: V̇O2max is a function of maximal cardiac output and a-vO2dif-max, so for a meaningful change to occur in cardiorespiratory fitness, there must be a concomitant increase in O2 delivery. This study demonstrates that a low volume SIT intervention evokes peripherally mediated responses (a-vO2dif) and anaerobic substrate utilization rather than O2 delivery components. Future works should address the time course of the responses and when assessing V̇O2max-based responses that due attention be given to the hemodynamic responses as means of quantification of the response. PMID: 32008311 [PubMed - in process]
Source: Journal of Sports Medicine and Physical Fitness - February 6, 2020 Category: Sports Medicine Tags: J Sports Med Phys Fitness Source Type: research