Individualized training accounts for personal differences in fitness outcomes by tailoring programs to meet individual needs, goals, and abilities. Customization considers factors like age, gender, fitness level, and specific objectives, leading to more effective and engaging workouts. This personalized approach helps to identify weaknesses and strengths, allowing for targeted improvements. Additionally, it fosters a sense of ownership over one’s fitness journey, increasing adherence and ultimately leading to better long-term results and satisfaction.