What does mid upper arm circumference measure?

Mid upper arm circumference (MUAC) measures the circumference of the upper arm at its midpoint, providing an assessment of nutritional status, particularly in children and pregnant women. It is a simple and quick screening tool for identifying malnutrition, as it can indicate muscle and fat reserves. MUAC is often used in community health settings to monitor growth and development, as well as to identify individuals at risk of undernutrition.