Setting realistic fitness goals is essential for maintaining motivation and measuring progress. Achievable goals increase the likelihood of sustained effort and prevent feelings of frustration or defeat. They should be specific, measurable, achievable, relevant, and time-bound (SMART). Establishing short-term milestones facilitates a sense of accomplishment and encourages continued commitment. Moreover, understanding personal limits and capacities helps individuals sustain their fitness journey, ensuring long-term success and fostering a healthy relationship with exercise.