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注意:
脂肪含量 + 骨质量 + 肌肉质量 = 100% 身体成分
由于肌肉和脂肪中有水分,在计算身体成分时,水分含量不能添加到其他指标中。

 


 

水分含量

体内水分总量是体内的液体总量。它包含细胞内水分和细胞外水分,后者是指细胞和组织中所含的水分。

例如,体脂含有大约 10% 的水分,而肌肉则含有大约 75% 的水分。

水分含量的正常范围如下:

45% - 60% 50% - 65%

 

脂肪含量

体脂由包含脂肪细胞的组织组成。女性的体脂主要积累在臀部和大腿上(称为女性型肥胖),而男性主要积累在腹部周围(称为男性型肥胖)。

与由肌肉、内脏和骨骼组成的非脂肪含量相对应的是脂肪含量。

脂肪含量的正常范围如下:

年齢
20-39 22% - 33% 8% - 20%
40-59 24% - 34% 11% - 22%
60-79 25% - 36% 13% - 25%

 

肌肉质量

肌肉质量是指体内肌肉的重量。肌肉质量由 3 类肌肉组成:骨骼肌、平滑肌和心肌。

骨骼肌也叫作横纹肌,可自主控制。例如:肱二头肌是骨骼肌。

平滑肌是不可自主控制的非横纹肌,可不受自主意识控制自动收缩。例如,肠是平滑肌。

心肌介于骨骼肌和平滑肌之间:是不可自主控制的横纹肌。

肌肉质量的正常范围如下:

年齢
20-39 63% - 75,5% 75% - 89%
40-59 62% - 73,5% 73% - 86%
60-79 60% - 72,5%

70% - 84%

 

骨质量

骨质量是体内骨头的重量。Only the dry, fat-free skeleton mass is taken into account.

骨质量的正常范围如下:

2,5% - 4% 3% - 5%

 

Note:

  • The “raised” part of the line displayed on the scale below your measurements shows the average range for body composition.
  • The pointer shows where the user is in this range. To the left is below average, to the right is above average.
  • The averages are based on the age, gender, & height of the user and not based on your personal goals.
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