The Jackson-Pollock 4 formula is a fairly accurate formula for calculating the percentage of body fat, which utilizes 4 skinfold method and considers gender and age. It is often used with the general population, is simpler to perform compared to the Jackson and Pollock 7 site formula, and is more accurate than the the 3-site formula. This well-performed formula makes it one of the most reliable body fat percentage tests.
Jackson-Pollock 4 Skinfold Sites
- Tríceps
- Abdomen
- Suprailíac
- Thigh
Jackson-Pollock 4 Formula for Males
Body density = (0.29288 x sum of all the skinfolds) – (0.0005 x sum of all of skinfolds squared) + (0.15845 x age) – 5.76377
Body Fat Percentage (%) = [(495 / Body Density) – 450] x 100
Jackson-Pollock 4 Formula for Females
Body Density = (0.29669 x sum of all the skinfolds) – (0/00043 x sum of all of skinfolds squared) + (0.02963 x age) + 1.4072
Body Fat Percentage (%) = [(495 / Body Density) – 450] x 100
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