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…
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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