Product description: Upper arm - midpoint of the line from the acromion of the right arm to the head of the radius, i.e. triceps brachii abdominal area, back - below the angle of the right scapula, and abdomen - 1 cm next to the umbilicus of the right abdomen. in addition to the above mentioned areas, it is possible, depending on the needs of the study, to measure the neck, the chest, the waist, the anterior and posterior sides of the thighs, and the calf calf calves in the area of the gastrocnemius muscle. It should be noted that the thickness of subcutaneous fat measured with the sebaceometer is the sum of the skin and subcutaneous adipose tissue, 29.8x12x5.5 cm.