AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
How Zone 2 Cardio Can Change Over Time
If you ask yourself on a scale of 0 to 10, what is my exertion or effort right now? It should be around a 6. A third way of doing this is a rating of perceived exertion or RPE. So again, try those manual check-ins. If you feel like the 60 to 70% is a little low, try going higher and do your own little experiment with that.