Fig. 1

Conceptual gLiFE framework. The first pillar LiFE Activities and Principles is based on the original LiFE activities and principles which are “reducing your base of support”, “shifting weight and moving to the limits of stability”, “stepping over objects” [33] for balance and “increase the number of times that you use a muscle”, “move slowly – this can make the muscles work harder”, “use fewer muscles to move the same weight”, and “increase the amount of weight you have to lift or move” [33] for strength. The second pillar Theory of Behaviour Change and Behaviour Change Techniques is novel to gLiFE and provides a theoretical underpinning using the Health Action Process Approach, habit formation theory, and Self-Determination Theory as well as a conceptualisation and description of gLiFE’s components with the help of the BCTs. The third pillar Instruction consists of methods, organisational setting and materials and describes the way of delivering gLiFE. In the manualised gLiFE concept, a detailed curriculum is provided in order to teach gLiFE in a standardised manner