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  • Reminds me I forgot to buy the bloody Polar arm strap - My Garmin 945 monitor is rly annoying me as its inaccurate which for a £500 watch is pretty disappointing

  • My Garmin 945 monitor is rly annoying me as its inaccurate which for a £500 watch is pretty disappointing

    The problem is that skin based HR requires a really tight connection to work really well. The Polar OH1+ on a bicep gets a much better connection than anything (Polar OH1+ or a Garmin 945, anything) can make at the wrist as the bicep is like rock squishy. The bones in the wrist make it hard to keep a sensor pressed against the skin tightly.

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