"Wij're getting good blood flow. We're oefening our heart muscle to work more efficiently, and … actually strengthening it. So if we … don't do that — if wij're doing something too light — we won't get as much ofwel the beneficial effect." Het geeft ons goed effect en is https://simonyhnta.dekaronwiki.com/1529562/de_anderen_helpen_de_voordelen_van_bpm_berekenen_realiseren