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MOTO X MOTO PURE EDITION ANDROID
"Can you get in that position to do the work you want to do? And if the answer is No, then it's not a great design."įingerprint recognition in Android phones has finally caught-up to Apple's Touch ID. "Everything comes back down to that neutral posture," says Hedge. Likewise, large hands that place a finger into the dimple of a small phone might not be ergonomic either. Reaching for the dimple on a phablet using small hands will contort them into an awkward posture. Both last year's Nexus 6 and new Moto X Pure Edition (Style) are too large to hold with one hand. But devices keep getting bigger and many smartphones are now halfway to being tablets – the size range known as 'phablets'. The 2013 Moto G, for example, has a 4.5-inch screen.
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When Motorola decided to keep the dimple without a fingerprint sensor, phones could be easily held in one hand. "It can work well for some people, but if you're very tall or short, it doesn't work at all well for you." "It's like sitting on a chair that's a fixed height," says Hedge. But its fixed position also creates a problem because the location won't suit every hand. Using the Moto X Pure Edition (Style) with both hands in an ergonomic manner (Image: Motorola)įor many people, the dimple is perfectly placed. So how does a dimple affect the ergonomics of holding Motorola phones? "That's called 'texter's thumb' these days," says Hedge, who has worked as a consultant for Apple. It twists your little fingers towards the wrists, what's known as ulnar deviation, and puts pressure on structures inside the wrist and stress on tendons, causing inflammation in your digits. One bad posture is to hold a device in both hands and use your thumbs. If your hand is bent up or down – away from neutral – it can cause problems such as carpal tunnel syndrome. This relieves pressure on the tendons and nerves that stretch along an infamous passage between the palm and wrist, the carpal tunnel. "The key to almost everything that we do as ergonomists working with designers is to help to create products that you can hold with your hand in what's called a neutral posture," Hedge explains.Ī neutral posture is any position where your hand is straight relative to your forearm. As a consequence, the most important ergonomic consideration has become the technique we use to view and touch the screen, which has implications for health. Phones are no longer used primarily for making calls, but for things like texting and browsing the web. Today, nearly two-thirds of Americans own a smartphone.