How many back exercises should I do to achieve optimal results in my fitness regimen? Considering the multitude of factors that influence back strength and development, such as individual fitness levels, anatomical differences, and specific goals, how can one determine the appropriate quantity? Is it wise to adhere to a standardized number, or should it vary from person to person? Moreover, how does the integration of compound versus isolation exercises come into play? Should I prioritize the frequency of workouts, or is it the intensity and diversity of the exercises that truly matter? Additionally, what role does proper form and technique play in preventing injury while maximizing effectiveness? Should I take into account the inclusion of recovery periods in my overall count of back exercises, thus affecting my training schedule? Ultimately, what strategies can I employ to tailor my back workout routine in a way that is both results-driven and sustainable long-term?