Cardio is necessary to actually have a good workout. That is a downright lie. Cardio is wonderful to help you lose weight but it is not perfect for every workout. If you are trying to gain muscle then it is not really necessary to do cardio. Cardio itself is not going to help you build muscle. Implementing it into your workout can help with overall health but it will not necessarily help you reach the results you want. Cardio will help you drop body fat percentage when it is combined with a healthy diet though. This can then transfer to leaner, more toned muscle results. HIIT cardio is a completely different ball game. The use of fast twitch muscle fibers and the workouts necessary for them can actually lead to small muscle growth. The workouts necessary for HIIT cardio like ladders, burpees, and lunges all promote muscle growth while just running a mile will add more to lung capacity.
Full Body Fitness
Set up a full body fitness plan, follow through with the plan, and make it fun and interesting.