Setting SMART fitness goals is crucial because it provides a clear and structured framework for achieving desired outcomes. SMART stands for Specific, Measurable, Achievable, Relevant, and Time-bound. By adhering to these criteria, individuals can create actionable plans, monitor progress, and remain motivated. This approach increases the likelihood of success by enabling individuals to set realistic expectations and adapt their plans as needed. Ultimately, SMART goals encourage long-term commitment and facilitate a greater sense of accomplishment in fitness journeys.