Why Use a Bioelectrical Impedance Scale
Bioelectrical impedance scales are a type of scale commonly used to measure body composition, including muscle to fat ratio. These scales work by sending a small electrical current through your body and measuring the resistance of your tissues. Because muscle and fat have different levels of electrical conductivity, the scale can estimate the amount of muscle and fat in your body based on the resistance measurement.
Bioelectrical impedance scales are relatively affordable and easy to use, making them a popular choice for home use. They typically require you to stand on the scale with bare feet and hold onto hand electrodes for a few seconds while the electrical current passes through your body. The scale will then display your body composition measurements, including muscle mass, body fat percentage, and sometimes bone mass and hydration levels.
While bioelectrical impedance scales are convenient and easy to use, they may not be as accurate as other methods of measuring body composition, such as DEXA scans or hydrostatic weighing. Factors such as hydration status, food and beverage intake, and the position of your body can all affect the accuracy of the measurement. However, with consistent use under the same conditions, bioelectrical impedance scales can provide a general idea of your muscle to fat ratio over time and help you track progress toward your health and fitness goals.
Donna M., Exercise Physiologist