Final answer:
The factors in creating individualized workout plans include age, body composition, and fitness level.
Step-by-step explanation:
The factors in creating individualized workout plans include age, body composition, and fitness level. Age plays a role in determining the appropriate intensity and types of exercises for an individual. Body composition influences the type of exercises and dietary requirements to achieve specific fitness goals. Fitness level helps in determining the starting point for an individual's workout plan and progressions over time.