 Jenkins and Webster (2021) propose a different sort of social-construct definition of disability—or actually, three different but closely related definitions. Like Barnes, Howard, and Aas, they are interested in understanding what bodily differences are centrally relevant to disability. But they cleave closer to the human variation model than the minority group model in understanding these differences. Their key notion is what they call marginalized functioning: having a body that does not work in the way that our socially constructed world expects. Each of their three definitions of disability presuppose this notion; to wit: