Scientifically measuring body fat: a key method for accurately assessing weight loss results
How to Scientifically Measure Body Fat
In fact, a better way to measure body fat than weighing yourself is by checking your body fat percentage. However, the results from body fat scales purchased at gyms or online are not always accurate. This is because body fat scales often use bioelectrical impedance analysis (BIA) combined with formulas, which can have significant errors. The error can be even greater between different machines.
There are three better ways to measure body fat: measuring waist circumference, neck circumference, and using body fat calipers.
1. Waist circumference is not only a visual focal point but also a standard for measuring body health. Besides being related to subcutaneous fat, waist circumference is also closely related to visceral fat, and it is positively correlated with the risk of many chronic diseases. The simplest way to measure waist circumference is with a soft measuring tape. In addition to waist circumference, you can also measure hip circumference at the same time to calculate the waist-to-hip ratio (WHR). The WHR is the ratio of waist circumference to hip circumference. Generally, a healthy WHR for men is below 0.9, and for women, it is below 0.85.
2. Measuring neck circumference is also a simple and scientific method. Since neck circumference is primarily determined by subcutaneous fat, it effectively reflects body fat levels. Normally, a woman's neck circumference should not exceed 34.5 cm, and a man's should not exceed 38.5 cm.
3. Use body fat calipers. Body fat calipers are inexpensive, costing far less than body fat scales that often cost hundreds of yuan. Simply clamp the caliper onto your waist, arms, back, thighs, etc., and record the data to compare changes in body fat during weight loss. From the accumulated data over time, you can clearly see whether you have reduced body fat, unaffected by water retention or food intake. Using body fat calipers provides a better reflection of your weight loss progress than using a regular scale.
Besides scientifically measuring body fat, the frequency of weighing yourself is also important. For those with a rational approach to weight loss and a positive mindset, weighing yourself daily at a consistent time is acceptable. Measuring in the morning after bowel movements and before drinking water or eating, while wearing only underwear, will yield more accurate results. For people whose mood swings are affected by weight changes, it is best to weigh themselves only 1-2 times a week to avoid psychological stress caused by weight changes, which would be counterproductive to weight loss.
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