Measure mid upper arm circumference MUAC If MUAC is less than 235cm BMI likely to be lt20kgm 2 If MUAC is more than 32cm BMI likely to be gt30kgm 2 1 The subjects left arm should be bent at the elbow at a 90 degree angle with the upper arm held parallel to the side of the body Me ID: 1032803
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1. What if I am unable to calculate BMI?Measure mid upper arm circumference (MUAC)If MUAC is less than 23.5cm, BMI likely to be <20kg/m2If MUAC is more than 32cm, BMI likely to be >30kg/m21. The subject's left arm should be bent at the elbow at a 90 degree angle, with the upper arm held parallel to the side of the body. Measure the distance between the bony protrusion on the shoulder (acromion) and the point of the elbow (olecranon process). Mark the mid-point.2. Ask the subject to let arm hang loose and measure around the upper arm at the mid-point, making sure that the tape measure is snug but not tight. This is the MUAC Measurement