These devices reduced sedentary time by an average of 68 minutes and increased physical activity by more than 2,500 daily steps.
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Obesity has become a global burden and accounts for approximately 60% of deaths from cardiovascular diseases.[1] [2] Considered a chronic disease, obesity develops over time from overeating and lack of physical activity.,[3] Weight loss, even modest levels, early in the progression of obesity can stop or reverse health risks. These findings raise the need to support effective weight control to reduce obesity.
Self-monitoring behavior, especially through access to wearable data, improving self-awareness and pattern visualization, leading to increased physical activity in approximately 60% of users.[4] Furthermore, greater interaction with these self-monitoring tools appears to increase adherence to goal outcomes including weight loss or body composition. 4
According to A study published by the American Journal of Clinical Nutrition (AJCN) galaxy watch May contribute to the prevention or reduction of obesity in its users. The study found that Galaxy Watch devices are accurate in measuring body composition, with accuracy comparable to laboratory results from Louisiana State University, Pennington Biomedical Research Center and the Cancer Center of the University of Hawaii.
The study compared body composition measurements taken by the Galaxy Watch4’s bioelectrical impedance analysis (BIA) sensor with clinical measurements from a dual-energy X-ray absorptiometry (DXA) scan and laboratory-grade duplicate octapolar bioelectrical impedance analysis.
The results showed that the Galaxy Watch’s BIA measurements had a 97–98% correlation with the two reference devices for lean mass, fat mass, skeletal muscle mass, basal metabolic rate, and total body water.[5], The study results suggest that bioimpedance wearable data could help users monitor their body composition and improve their health by changing their diet and exercise habits.
The study also concludes that the Galaxy Watch can help users gain a more accurate understanding of their health. The accuracy of the data means that users can make adjustments to their own behavior even when clinical evidence is not available. This allows users to better monitor their health at home, while traveling, or working remotely where other assessments may not be available.
A randomized control trial also found that the wearable reduced sedentary time by an average of 68 minutes compared to controls, while a meta-analysis of the effects of activity tracker wearables showed an increase of more than 2,500 daily steps.[6] [7]
How does the Galaxy Watch measure body composition?
Bioactive Sensors, included in the latest versions of the Galaxy Watch, is a flagship technology that uses a chip that combines three powerful health sensors: Optical heart rate[8]electrocardiogram[9] [10] and bioelectrical impedance analysis, which tests body composition. Together, they help provide a comprehensive measure of the health of their users.
The advantage of the Galaxy Watch is its ability to measure BIA more than just BMI. Bioelectrical Impedance Analysis (BIA) offers a more holistic picture of health and wellness. Break down key personal details, such as skeletal muscle mass, basal metabolic rate, body water and body fat percentage, for deeper insight into your body and physical health. BIA is usually measured with specialized equipment in gyms or clinics, but can now be accessed with the Galaxy Watch. Whether you’re trying to lose weight, build muscle, or boost metabolism, BIA is an accurate, simple, and convenient way to check in and track progress.
It’s also easy to check body composition (BIA) on the Galaxy Watch. The BIA sensor on the Galaxy Watch4 and Galaxy Watch5 allows users to measure BIA with four electrodes on the Galaxy Watch: two on the back and two on the side buttons. To complete the reading, the wearer holds down the side button of the watch. Then, over about 15 seconds, the watch’s sensor captures 2,400 data points.
To optimize anatomy accuracy:
- measured at the same time of day
- measure empty stomach
- measure after going to the bathroom
- measure when you are not in your menstrual cycle
- Take measures before engaging in activities that increase body temperature, such as exercise, bathing or visiting a sauna.
- Measure after removing metal objects, such as necklaces, from your body
Various information provided by Sensor Bioactive include heart rate, oxygenation level[11] blood and stress levels[12], Users also gain a deeper understanding of their heart health by monitoring blood pressure[13] and ECG directly from the wrist[14],
