The cycle of change in exercise adoption, often referred to as the Transtheoretical Model, outlines the stages individuals progress through when modifying behaviors. Initially, individuals go through stages like precontemplation, where they may not recognize the need for change, and contemplation, where they consider starting an exercise routine. As individuals progress, they move through stages such as preparation, action, and maintenance, eventually achieving lasting change. Understanding this cycle helps identify which stage one is in, allowing for tailored strategies to support continued progress in adopting an active lifestyle.