Peer influence significantly affects fitness participation by shaping attitudes, behaviors, and motivations related to exercise. Friends and family can encourage individuals to adopt or sustain a fitness routine through social support and accountability. Positive peer pressure can lead to increased motivation, while a lack of support may hinder a person’s consistency. Moreover, active peer groups often create enjoyable social environments that make exercising fun, promoting regular participation in physical activities. Thus, surrounding oneself with like-minded individuals can enhance fitness success and long-term commitment.