🚴🏻‍♀️HIIT training has a particularly strong hormetic or adaptive effect on your mitochondria (in moderation of course) — producing more mitochondria and more mitochondrial enzymes. This increases the respiratory capacity of muscles, i.e., their ability to produce ATP from nutrients to power muscle contraction. Exercise increases your energy production and helps slow down aging at the cellular level. . . . . #brigalife #hiit #highintensity #training