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What are you doing for cardio? Maybe you need to ramp it up or do a different form of cardio to change things up for your body.
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I use a heart rate monitor. Mine is Polar brand which is one of the big ones and is reliable. I believe the model is F6. I've had it for a few years. I think it was just over $100 (if I'm remembering correctly). I just had to have the battery replaced for the first time recently. I love using it so I don't have to rely on…
