Scanning through the fitness- and health-focused wearables being presented here at the Unveiled event at CES, it seems that most essentially do the same things and are targeted at the same people.

There’s a ton of gadgets for tracking your heart rate and steps, perfect for attaining those six-pack abs and rippling legs or whatever it is people are looking to tighten up.

Among the sea of bands and pucks and straps offering those same features, I noticed a kind of silly-looking pair of plastic sensors that do something that lands a bit closer to home: they help you strengthen muscles involved with lower back pain.

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