workout

Spin class
What’s good for your body is not necessarily good for your ears. Loud music is an integral part of many workout activities — spin classes are a prime example. A recent article in the New York Times found that the noise levels in a spin class at Crunch averaged 100 decibels over 40 minutes, and hit 105 decibels in its loudest five minutes. A staffer for the Hearing Health Foundation found that the decibel level at her gym hit 115 decibels. You can easily measure decibel levels using an app on your smartphone. The one I use is dBMeterPro.
high intensity
Walking. Indoor cycling. Yoga. Older Americans continue gravitating to these activities as a favorite way to burn calories, but now there’s a new kid in the town gym: It’s called high-intensity interval training, and it seems destined to become a HIIT.
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