Tissue oxygen saturation during different blood flow restriction exercise protocols
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Low load BFRRE induce more strength and hypertrophy than work-matched resistance exercise alone. Although the potential for hypertrophic adaptions seem to be comparable between high load conventional resistance exercise and low load BFRRE. Adaptions in hypertrophy following BFRRE seem to be greater with loads of 30% than 20%. There does not seem to be any relationship between the dose of low load BFRRE and the muscular adaption hypertrophy. There is lack of research of lower volumes, in terms of what is necessary for muscular adaptions. Hypertrophy is speculated to be more affected by frequency when exercising over shorter periods. Evidence clearly indicates that BFRRE induce an intermuscular hypoxic condition (Takarada et al., 2000). No one has to our knowledge compared a submaximal and a failure protocol in regard to the level of StO2 during BFRRE. This gives us the opportunity to get a better insight to the presence and level of hypoxia and its potential effect on the muscular gains seen in BFRRE, and also if and to what extent there are differences in a low load BFRRE completed to submaximal or failure.
Master's thesis Sports Science ME517 - University of Agder 2018