A good workout routine should possess several key characteristics, including variety, progressive overload, and appropriate frequency. Incorporating different types of exercises (strength, cardio, flexibility) keeps the routine engaging and helps target various muscle groups. Progressive overload ensures that the intensity or duration is gradually increased to promote continual improvement in strength and endurance. It’s also essential to match the frequency of workouts with individual fitness levels and goals while allowing sufficient recovery time. Lastly, a good workout routine should be enjoyable, fostering motivation and adherence over the long term.