"We're getting good blood flow. Wij're oefening our heart muscle to work more efficiently, and … actually strengthening it. So if wij … don't do that — if wij're doing something too light — wij won't get as much ofwel the beneficial effect." Stallingskosten Stallingskosten: Na het invoeren aangaande de https://bpmcalculator21975.blogrenanda.com/41880441/bpm-calculator-opties