There is a call to action for physiotherapists worldwide to contribute to the transition towards 'sustainable health'. In this paper, we build upon the current definition of 'sustainable health' and also on 'sustainable physical activity' to introduce and theoretically substantiate the concept of sustainable human movements, and suggest a definition thereof. Sustainable human movements will be described as a threshold concept with three aligned critical concepts; (i) movement control, including forces as causes of emerging movements, (ii) movement quality, referring to how movements are performed in terms of optimisation, and (iii) physical literacy, including motivation, confidence and physical competence. A deep understanding of these concepts, combined with a collaboration and learning approach applied together with the patient, is proposed to enable a sustainable human movement approach to permeate physiotherapy theory and practice. To facilitate this, a generic and easily accessible tool has recently been developed. It combines support for structured observational movement analysis and pedagogical support for creating a mutual and extended understanding of a patient's lived experience. This encourages the patient to become actively involved and take responsibility for promoting his/her 'sustainable health'. The aims of this paper are to a) suggest a theoretical framework for and definition of the concept sustainable human movements, and b) introduce a clinical tool that ultimately aims at promoting sustainable movements and health.