...following exercise-induced dehydration, when comparing the percent change in WBV
from a dehydrated state to 120 min after rehydration and re-
covery.... ...Absolute differences at multiple time points did
not demonstrate any significant differences; however the
subjective observed benefit may be attributed to the high
variability of WBV measurements in the study groups.[/B]
But the most interesting part is under the spoiler and basically it means that our body is so complicated, that we cannot properly evaluate the cause-effect under current model:
» Click to show Spoiler - click again to hide... «
We speculate that differences in systolic viscosity levels
caused by ALK vs. CON following dehydration may have
been mediated by the influence of reactive oxygen species
on erythrocyte membranes and their deformability. Further
studies are needed to determine if high-pH ALK is directly
associated to reductions in oxidative stress. With respect to
plasma osmolality as a hydration marker, Armstrong in his
authoritative review noted that “a single gold standard,
including plasma osmolality, is not possible for all hydra-
tion assessment requirements” [15]. He stated body mass
change is the most accurate assessment of hydration in real
time, and his review of biomarkers, which did not include
blood viscosity, suggested that the accuracy of most hydra-
tion markers is not consistently supported. Body mass
changes reflect body water losses and gains secondary to
sweating and water intake, respectively. Consequently,
changes in mass are very frequently measured in exercise
studies and serve as a benchmark for other hydration
markers. Although plasma osmolality is considered among
the best available indices by many researchers, none of the
analyses performed in this study showed significant differ-
ences between ALK and CON on this marker. Plasma
osmolality does not incorporate the influence of cellular
content in the blood and is difficult to assess when total
body water, fluid intake, and fluid loss are altered.
But let's be generous and assume that all this actually applies. If refer to first statement, basically you need to dehydrate yourself due to very intense workout to feel any benefit of alkaline water. So let's assume there are people like that, they workout intensely and drive themselves to dehydration while doing it... This is 0.01% of population, yet alkaline water is pushed on everyone as a panacea. I was reading some copy from filter company yesterday saying "if you dont drink alkaline water you are killing your body"...
And you are right, there are medical conditions that forbid drinking alkaline water alltogether, but I haven't heard of a medical condition that forbids drinking 6-6.5PH regular water.
Sorry for going slightly off-topic
Ahem ahem.
Apr 21 2018, 12:32 PM
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