A negative body image can significantly impact physical fitness by leading to decreased motivation, body dissatisfaction, and even avoidance of exercise. Individuals with a poor body image may feel self-conscious at the gym or participating in physical activities, which can result in less engagement and lower fitness levels. This can create a negative cycle, as lack of activity may further worsen their body image. Promoting a positive perception of the body can enhance confidence and increase participation in exercise, ultimately improving overall fitness and well-being.