Содержание
Калипер
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Калипер - прибор для измерения толщины кожной складки. Методов определения процента жировой ткани в организме человека - калипометрия (используется также термин калиперометрия). Погрешность измерения по сравнению с прямым и сверхточным методом подводного взвешивания составляет 1,1%.
Применение калипера - это способ контроля за снижением лишнего веса, так как часть жировых отложений в теле располагается под кожей, самым практичным и доступным методом измерения процентного содержания жира в организме является – определение толщины кожной складки с помощью калипера. Этот научно разработанный метод давно известен и зарекомендовал себя как простой и точный способ определения процентного содержания жира в организме.
Другие способы определения содержания жира в организме:
- Метод подводного взвешивания;
- Рентгеновское обследование (Двойная рентгеноабсорбиометия DEXA);
- Биоимпедансный метод.
Классификация
Существует множество видов калиперов на рынке, которые сильно различаются по цене, качеству, точности, надежности, простоты использования. Ниже представлены некоторые разновидности калиперов.[1]
| Фото | Название | Описание |
|---|---|---|
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Harpenden Caliper | the Harpenden Caliper is the gold standard caliper for skinfold measurement. They are capable of measuring accurately up to approx. 50 mm skinfold thickness. They are a very well made sturdy instrument, commonly used by professionals and in scientific research, and one of the most expensive skinfold calipers available. Cost ~$400. |
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Slim Guide Caliper | the slim guide caliper is highly reliable, and has the same jaw pressure as the Harpenden, and studies have shown it can produce almost identical readings, for a much cheaper price. Cost ~$20. |
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Fat Track Calipers | the Fat Track Digital Skinfold Caliper come as a 'gold' or 'pro' model. These are relatively inexpensive electronic devices for determining percent bodyfat. The Fat Track has a digital display which show the results of each pinch, and allows you to take several samples at each measurement site. The caliper stores three measurements and then calculates and displays body fat percentage. It comes with instructions, and uses 2 AA batteries.
Cost $40-100 |
|
Lange Fat Caliper | the Lange Fat Calipers are sturdy and lightweight. They feature spring-loaded arms providing a constant standard pressure of 10 gm./sq.mm. over the operating range up to 60mm. Another feature of these calipers are floating (pivoted) tips that can adjust to enable parallel measurement of skinfolds. The product includes an instruction booklet and handy carry case. Cost ~$250. |
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Accu-Measure | The Accu-Measure skinfold caliper is a simple and inexpensive product that is surprisingly accurate and reliable. With these calipers it is easy to test yourself in the privacy of your own home, with only a small outlay. There is also a similar skinfold testing device the Fat Control, Inc. Caliper. Cost ~$10. |
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Personal Body Fat Tester | another budget caliper, that is still able to provide fairly reliable and accurate results. A simple one piece design with no springs, which fits easily in one hand. The unique thumb pressure device gives a consistent pressure at the tip for reliable measurements. Cost ~$10. |
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Skyndex | There are two versions, the Skyndex I and II, the difference is essentially the presence of the built-in computer. The Skyndex I Body Fat Caliper is unique with a built in computer that calculates and displays percentage bodyfat directly on its digital readout, eliminating the necessity to add the readings and compute the percentage bodyfat from formulas or tables. This is Ideal for those who need to measure a lot of people quickly, and it also reduces the chance of transcription errors. There are three formulas available to calculate percentage bodyfat: the Durnin, Jackson-Pollock and Slaughter-Lohman formulas, and each is appropriate to a specific population. Cost ~$300-500. |
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Pooya Caliper | the Pooya caliper is a lightweight caliper, measuring to an accuracy of 0.5 mm. It has been compared with Harpenden and Slim Guide calipers, which found a similar caliper pressure as Harpenden, and lower than the Slim guide caliper. The smaller size of the Pooya caliper make it easier for normal hand size people. It is suitable for use in research, teaching, clinics and at home. Cost ~$15. |
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Warrior Digital Body Mass Caliper | The Warrior Digital Body Mass Caliper is the first caliper to calculate Lean Body Mass and Body Fat%. It displays your last and current results for up to 4 users: Weight, Body Fat %, Lean Body Mass, Upper, Middle, and Lower Measurements. Cost ~$40. |
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Defender Body Fat Caliper | This caliper has a unique feature of a visual pressure indicator, to ensure you have the correct pressure - the indicator turns from red to green letting you know when to release the caliper and take your reading. It also comes with a body fat results wheel - no measurement charts or formulas required. Cost ~$16. |
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Digital Body Fat Caliper | these calipers are made in China and can be bought online for $10-30. Battery powered plastic calipers with digital display and measurement. Can measure up to 50mm. Able to hold measured values, which makes it suitable for self assessment. |
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Cescorf | a design similar to the Harpenden, made in Brazil. Measures to an accuracy of 0.1 mm, up to a jaw width of 88mm. Jaw pressure measured at 10g/mm2. Weight 260g. Dimensions: 286mm. x 165mm |