We designed grip strength standards for youth by back-extrapolating cutpoints based on weakness at age 65. Existing standards, based on insufficient bone mineral content (BMC), were also compared in a nationally representative sample. Altogether, 6837 participants (n = 2199 [less than or equal to] 18.9 years of age) from the National Health and…

Obesity is the result of a mismatch between the amount of calories consumed and the amount of calories expended during an extended period of time. This relationship is described by the energy balance equation, which states the rate of change in energy storage depots in the body are equal to the rate of energy intake minus the rate of energy…

This booklet pertains to the size and the form of the human body in infancy, childhood, adolescence, and adulthood. Historic and current information is presented for individuals in population groups of the Americas, Europe, Asia, Africa, and the Pacific. Differences in size and growth patterns between urban and rural individuals of the same racial…