Foreign media recently published an article pointing out that most wearable products on the market today can only be used for data tracking, and can not effectively help people to provide sports efficiency. A new generation of wearable devices will not only present data, but also provide analysis such as Moov, Lumo Lift and Wahoo. They are smarter and can help you correct your running posture, stand taller, jump higher, and swing your baseball bat more quickly.
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Lumo Lift, which tracks and helps correct your upper body posture
In the past year, there has been another device on the market that tracks people's sports data (such as the number of steps, the distance traveled, the calories burned, and how long they stay on the couch). These types of wearable devices are usually worn on the wrist, and most are just pedometers that are synchronized with the smartphone app, providing users with simple and broad activity data.
Now, some companies are taking a step forward in the field of wearable technology. They are developing devices that not only record your movements, present them in simple charts, but also collect 3D spatial data to provide different levels of body perception analysis. This smarter wearable device can help you stand taller, jump higher, and swing your baseball bat more quickly.
Moov
"Products like Fitbit and Jawbone aren't perfect -- they just provide data and can't record 3D motion," said Nikola Hu, co-founder of sports wearable technology company Moov. The company's equipment can be worn on the wrists, arms or ankles to collect calorie consumption data and capture movements in the arms and footsteps. Through artificial intelligence algorithms and sensors that measure 3D space motion, Moov can compare your morphological posture during exercise or boxing with the ideal motion model (that is, the motion data collected from professional athletes).
For example, the device can not only compare your right uppercuts, but also compare the speed of each shot you make. The paired app then gives you voice feedback, like a real-time virtual coach to help you improve your posture. Nikola Hu and another co-founder, Meng Li, decided to create Moov with the original intention of helping people exercise as efficiently as possible while reducing the risk of injury. Moov's products are scheduled to ship this summer.
Of course, motion capture is not a new technology. Wii and Kinect were the first to introduce this type of technology into people's living rooms on a large scale. But the operation of the Kinect and Wii requires the configuration of larger sensors (including infrared projectors, cameras, accelerometers, infrared detectors) in the room, all of which feed back data back to the main device responsible for processing the various data. Some of today's wearable devices are not inferior to Wii in motion capture and data analysis—and in some ways even better—and are based on entities that are smaller than credit cards.
Small size, large analysis
Moov is a ring of the size similar to Oreo cookies, using accelerometers, gyroscopes and magnetometers to accurately capture your movements. For activities like running, it tracks your stride, stride and impact at each step, as well as ensuring your body balance. Moov can also infer such data only when he wears a device on his ankle. It captures motion data along nine axes, analyzes the data, and then uses artificial intelligence algorithms to measure your performance. The paired app will then provide Siri-style voice commands to help you improve your athletic performance and efficiency.
“Previously, you couldn’t get this kind of information without gait analysis (a costly step-by-step clinical assessment). Now, both professionals and novices can get this data.â€
Lumo Lift is another motion tracking device company that focuses on simple data "tracking" and areas other than wristband devices. Unlike Moov, this seemingly small gadget can be attached to your clothes, underwear or bra strap with a magnet snap.
“The wrist is a very noisy environment,†says Andrew Chang, co-founder of Lumo Lift. “Your product may be very good at calculating the number of steps and calories, but not in other ways.â€
Such as monitoring your posture and the like. Lumo Lift contains many components that are available in wearable products: ARM processors, 3-axis accelerometers, low-power Bluetooth chips and memory. Unlike other wearable products, Lumo Lift not only senses your movement, but also the type of your movement (and your athletic efficiency), and its software is specifically optimized for these. Like Moov, a key part of the Lumo Lift function is the biomechanical model.
The biomechanical model is a manifestation of the way the body and the body move. Due to the type of movement it tracks, the Lumo Lift version is aimed at the upper body. To perceive the complexity of creating accurate models, the comprehensive case described in a research paper at the University of California, Los Angeles takes 68 bones, 147 exercise points, and 814 muscles into account to accurately depict and reproduce the upper body's movements. (The Lumo Lift model specifically considers how many sports points are not disclosed). It uses data from device sensors to populate this mechanical model, then normalizes and calibrates it. Due to the limitations of equipment and battery life, these algorithms must be very efficient and low-power.
Wahoo Fitness also believes that the wrist is not the ideal place to wear smart wearable devices. The Tickr Run and Tickr X, which are scheduled to be released later this spring, look like heart rate monitors, which need to be bundled in the chest.
Wahoo's Tickr Run and Tickr X, tracking your heart rate and body posture, improving your athletic efficiency
Tickr Run focuses on assessing your running efficiency. Its mode of operation is to perform motion analysis, observe your acceleration changes from three dimensions, and determine your landing data. For example, if you are new to running, you are likely to have a heel to the ground when you run. That doesn't sound like a big deal, but in fact, the heel first slows down your speed, meaning that the rest of the footsteps are on the ground and you have to re-accelerate. Successive acceleration and deceleration consumes more energy. And if you use the bounce method, you will also have unnecessary energy consumption.
Tickr Run will give you feedback on your athletic performance in real time as you run, and will provide you with a deeper analysis later. During the run, you can see a picture of the runner with a red, green and yellow hot spot on the app. These will show you how to adjust a specific running posture to help you improve the smoothness of your running. After exercise, you can also see more effective data, such as the time of contact with the ground, the left and right swing of the body and your performance in the first and last stages of running.
To achieve this type of gait detection, Wahoo studied a large number of runners. The company has an employee with a doctorate in sports skills and has studied thousands of runners for many years. In the past four to six months, the team has recruited 10 to 12 runners a day to study their movements and improve Tickr's algorithm.
“We did a lot of treadmill testing, using motion capture cameras deployed around the treadmill to compare data and visual cues,†said Mike Stashak, chief marketing officer at Wahoo, to Wired.
The technology and algorithms behind these advanced wearable devices are key to their functional operation, and they don't matter if they look good.
Flexible wear method
"People want flexibility," Andrew of Lumo Lift often pointed out. How does the company solve this problem? The answer is magnets. You can attach the Lumo Lift to the various parts of the upper body like a pin, and you can fix it without piercing the clothes. You can also choose to wear the sensor or a simple square metal snap ring on the outside of the garment. In addition, the product is available in a variety of colors and styles, making it more like a pin, brooch or clothing design element, not just a square sensor.
"When developing wearable products, you have to be user-centric," Andrew said. Lumo BodyTech is inspired by user feedback. “They want a top-body solution that can be flexibly worn in different ways, that is, to be able to show it or to wear it with care.â€
After repeated trials and “breaking the rulesâ€, the Lumo BodyTech team came up with its intuitive creative wearable solution.
As far as sports equipment is concerned, the appearance may not be as important. Moov's black or white badge worn on the arm or ankle doesn't look bad, but it's not perfect. Wahoo's Tickr needs to be worn under your outfit, so its appearance is less important. It looks no different from a heart rate monitor.
These types of wearable devices mark our new way of life and exercise. They are not only able to track your movements, but also provide analytical functions that previously required controller, computer or laboratory testing.
"That's what researchers have been working on in a lab with a large computer for 10 years," said Wasoo's Mike Stashak. "And now, we can do it with our own smartphones, and ordinary people can do it." They can use this type of data in any way they want."
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