Self-efficacy plays a crucial role in achieving fitness goals as it refers to an individual's belief in their ability to succeed in specific tasks or situations. Higher levels of self-efficacy can lead to increased motivation and commitment to exercise routines, enabling individuals to tackle challenges more effectively. When individuals believe they can reach their fitness goals, they are more likely to persist through tough times and setbacks. This positive mindset can enhance their resilience, leading to better adherence to exercise programs and ultimately, more successful outcomes in their fitness journeys.