Psychological factors that can undermine fitness motivation include fear of failure, self-doubt, and negative self-perception. Individuals may struggle with anxiety about their abilities, leading to procrastination or avoidance of exercise. Comparisons to more fit individuals can exacerbate feelings of inadequacy and discourage participation. Additionally, setting unrealistic goals can result in disappointment, further diminishing motivation. Cultivating a positive self-image and practicing self-compassion are essential to overcoming these challenges. Fostering a supportive environment helps individuals build resilience and remain committed to their fitness journeys.