29 Aug '13, 8pm

A tattoo that measures lactate levels.

A tattoo that measures lactate levels.

In theory, by monitoring your sweat lactate level, you’d be able to adjust your intensity according to the day’s workout. Research on the temporary tattoo showed its biosensors accurately measured lactate levels during exercise, according to the researchers, who published their findings in the journal Analytical Chemistry . Ten cyclists wore the tattoos during a 30-minute workout that increased in intensity over time. The sweat lactate levels measured by the tattoos were compared to sweat lactate levels collected by researchers. The biosensor tattoo accurately reflected changes to lactate amounts throughout the workout, the researchers report. Measuring lactate normally requires a prick to the finger to get a blood sample every 10 minutes or so, a cumbersome method used only at the elite level. Biosensors offer a simpler technique that could open lactate monitoring to mass...

Full article: http://www.runnersworld.com/general-interest/temporary-ta...

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