You can build muscles without looking for muscle magazine workouts. Isolation exercises are good once you have built the base exercises. You can depend on squat since it is considered as the king of all workouts. You should consider squats, dead lifts, bench press, barbell rows, overhead press, pull-ups and dips for building muscle at an accelerated rate. Great muscle gainers will do workout 5 to 6 times a week. But they did not begin it this way. The number of days per week was added when they got stronger. You will be doing excess exercises if you are working out 5 to 6 times weekly. A beginner will need more recovery time.