Another economical skinfold caliper is called the "Accu-Measure." Unlike the others, the Accu-Measure is a caliper that was specifically designed for personal self-testing. In one study, (Journal of Strength & Conditioning Research, 12 (4), 243-247, 1998), the Accu-Measure was found to be just as accurate as the sum of three skinfolds taken by an experienced tester with a Lange caliper. In my opinion, the one-site tests such as the Accu-Measure are not as accurate as being tested at multiple sites by a professional, but it's quite satisfactory for personal home self-testing if no other option is available. The Accu-Measure retails for about $20.00 and can be purchased at many Internet sites or by calling Creative Health products.
Having your body fat tested by an experienced technician with multiple skinfold sites is ideal, but the Accu-measure is definitely good news if you don't have access to any other form of testing. Even if the margin of error is greater than getting your fat measured by a skilled tester, self testing will at least tell you whether your fat % is dropping or not, because any decrease in skinfold thickness shows that you're losing body fat. And of course, a major advantage is that you can do the Accu-measure test in the privacy of your own home.
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