Mid Upper Arm Muscle Area in Adults

Percentage of Standard (%)

Men (cm2)

Women (cm2)

Muscle Mass

100 ± 20*

54 ± 11

30 ± 7

Adequate

75

40

22

Marginal

60

32

18

Depleted

50

27

15

Wasted

* Mean mid upper arm muscle mass ± 1 standard deviation.

From the National Health and Nutrition Examination Surveys I and II.