Professor Hinke Haisma, based at the University of Groningen in the Netherlands has been working for a number of years on reconceptualizing the measurements we use worldwide to monitor child growth and development. She has been using both the normative and technical aspects of the capabilities approach to go beyond the height and weight (functionings, discrete outcomes) measurements currently in use.  You can read more about her work in this interview on the Dutch research council - NWO's website.