Population
Choose the protocol and tape appropriate to the person’s age and programme.
LOOK CLOSELY / UNDERSTAND CLEARLY
Recognise a mid-upper-arm circumference tape and explain age-appropriate nutritional assessment.

The band surrounds the upper arm. Use the standard age-appropriate protocol.
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muac — reference view
Image: ©UNHCR / C. Fohlen · Source / original · CC BY-SA 4.0Resized and converted to WebP; original colours retained.
A standardised circumference measurement contributes to nutritional screening within the appropriate age-specific programme.
Choose the protocol and tape appropriate to the person’s age and programme.
Use standardised landmarks, tape position and tension in supervised practice.
Combine findings with oedema assessment and other required clinical criteria.
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No. Thresholds and eligibility are age- and programme-dependent.
No. It measures arm circumference.
Excessive tension can bias the circumference.
No. Apply the full programme’s assessment and referral criteria.