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  1. #171
    Biệt Thự Triển's Avatar
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    Đây là ví dụ một cái cân điện tử ngày nay có thể giúp mình được phần nào kiểm tra sức khỏe qua các số đo trọng lượng, BMI, lượng cơ bắp, lượng mỡ, lượng nước....v.v.v. Vì không muốn làm quảng cáo nên tui không ghi tên họ cái cân này ra. Trên thị trường có rất nhiều công ty sản xuất cân này.



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  2. #172
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  3. #173
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  4. #174
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  5. #175
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    Vô Phố, thấy Năng Vận Động, vội đi tập thể dục

    Wt = 102 lbs
    Ht = 5'1"
    BMI : 19.3

    BP = 105/58
    HR = 110
    Last edited by thuykhanh; 01-17-2018 at 08:14 AM. Reason: Thêm BP & HR

  6. #176
    Biệt Thự Triển's Avatar
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    Quote Originally Posted by thuykhanh View Post
    [B]Vô Phố, thấy Năng Vận Động, vội đi tập thể dục



    Quote Originally Posted by thuykhanh View Post


    BP = 105/58
    HR = 110

    chị bị áp huyết thấp hả? (Hypotony)

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  7. #177
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  8. #178
    Biệt Thự thuykhanh's Avatar
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    Quote Originally Posted by Triển
    chị bị áp huyết thấp hả? (Hypotony)
    Dạ, bình thường thì huyết áp tk cao hơn và HR thấp hơn những số trên.

    Tuần trước ở phòng mạch BS, chúng là:

    BP 118/64
    Wt 102 lb 6.4oz
    Height 5' 1"
    Pulse (HR) 96 ==> BMI 19.35

    Cảm ơn anh Triển

  9. #179
    Biệt Thự Triển's Avatar
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    Quote Originally Posted by thuykhanh View Post
    Dạ, bình thường thì huyết áp tk cao hơn và HR thấp hơn những số trên.

    Tuần trước ở phòng mạch BS, chúng là:

    BP 118/64
    Wt 102 lb 6.4oz
    Height 5' 1"
    Pulse (HR) 96 ==> BMI 19.35

    Cảm ơn anh Triển
    Chị ơi, từ nhịp tim Pulse mà cho ra chỉ số BMI là không đúng đâu. Body Mass Index là thương số. Nghĩa là trọng lượng chia cho chiều cao bình phương. Tuy nhiên con số 19,35 là lý tưởng đó. Sau này người ta lại không chuộng BMI mà người ta chuộng xem chỉ số Waist-to-height ratio, là số vòng eo chia cho chiều cao. Các cuộc khảo sát cho kết quả chỉ số này chính xác hơn trong các kiểm nghiệm liên quan đến sức khỏe. Người gầy cũng bụng bự.

    Nhưng đây cũng chỉ là 2 chỉ số bên ngoài. Người có tuổi phải theo dõi các chỉ số trong hình ở post #174 chị Thụy Khanh ơi.
    Last edited by Triển; 01-17-2018 at 08:29 PM.
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  10. #180
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    #EoChiaCao



    Waist-to-height ratio more accurate than BMI in identifying obesity, new study shows

    Date: June 6, 2017
    Source: Leeds Beckett University


    Summary:
    Calculating a person's waist-to-height ratio is the most accurate and efficient way of identifying whether or not they are at risk of obesity in clinical practice, a new study shows.

    Calculating a person's waist-to-height ratio is the most accurate and efficient way of identifying whether or not they are at risk of obesity in clinical practice, a new study by Leeds Beckett University shows.

    The research, published in the latest edition of PLOS ONE journal, aimed to improve the way that obesity is currently measured and classified by examining the whole-body fat percentage and visceral adipose tissue (VAT) mass (the fat stored around the abdominal region where most of internal organs lie) of a group of 81 adults (40 women and 41 men). It aimed to find the most accurate way of predicting this measurement in a clinical environment and set cut-points for obesity.

    The researchers, led by Dr Michelle Swainson, Senior Lecturer in Exercise Physiology in the Carnegie School of Sport at Leeds Beckett, found that 36.5% more adults would be classified as obese using whole-body fat data (one in two participants) rather than body mass index (BMI) (around one in seven participants, or 13.5%).

    The team gathered accurate whole-body and abdominal fat data using a total body dual energy X-ray absorptiometry (DXA) scanner -- a highly accurate way of measuring body composition and fat content. They then calculated five predictors of whole-body fat and VAT, which could be easily replicated in a GP's office, fitness centre or at home, comparing the results to those of the DXA scan and determining which simple predictor of obesity is the most accurate.

    The five predictors tested were: BMI, waist circumference (WC), waist-to-hip ratio (WHR), waist-to-height ratio (WHtR) and waist-to-height ratio0.5 (WHtR0.5).

    Dr Swainson explained: "The conventional measurement of obesity used by GPs is BMI. Although there are benefits to this method, there is concern that a lot of people are being classified as obese by BMI when they are not or are being missed by this classification when they need to be referred for help. This is most definitely the case when people have a 'normal' BMI but high abdominal fat that is often dismissed. Whole-body fat percentage, and specifically VAT mass, are associated with health conditions including insulin resistance, type 2 diabetes and cardiovascular disease, but are not fully accounted for through BMI evaluation.

    "Carrying fat around the abdominal area has been shown to be an independent predictor of all-cause mortality in men and women. Put simply, it is more important, especially for cardio-metabolic conditions, that your belt notch goes down than the reading on the scales."

    The results showed that the best predictor of both whole-body fat percentage and VAT in both men and women was waist-to-height ratio (WHtR). The simple waist circumference divided by height measurement is not a new method of obesity classification but despite evidence supporting its use, it is still not routinely measured in clinical settings. Cut-points for predicting whole body obesity were 0.53 in men and 0.54 in women. The cut-point for predicting abdominal obesity was 0.59 in both sexes.

    BMI had weak support as a predictor for whole-body fat percentage in both men and women but was a plausible alternative for the prediction of VAT mass in women.

    The waist-to-hip ratio (WHR), a measure regularly recommended by fitness instructors and used in clinical practice but which, was found to be a very poor predictor of obesity according to both measures.

    Dr Swainson said: "Our WHtR cut-points align broadly to current guidelines that adults and children should keep their waist circumference to less than half their height. In current clinical practice, it is common to calculate BMI for an indication of whole-body fat and waist circumference for abdominal obesity.

    "Our research has shown that WHtR is a more accurate alternative to these two measures and also a more time-efficient measure. By introducing this alternative, and more accurate, measure into clinical settings, more men and women would potentially be referred to programmes, such as weight management, to receive help in improving their health. We have also shown how these simple measurements may be used as surrogates by GPs and other health care professionals when DXA scans are unavailable or inaccessible.

    "Even in a small sample of adults, our results provide further evidence that alternative measures are fundamental to the more accurate identification of obesity, therefore ensuring that individuals are referred to the most suitable therapeutic approach to reduce risk of obesity-related conditions."


    (* src: https://www.sciencedaily.com/release...0606090942.htm )

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