Of all the different muscle groups of the body, the biceps tendon bring more attention than any other. The reason why this is probably the case, is because it is one muscle that is on the human body which is almost always exposed. Although many people still consider the abdominal region to be the definition of what is sexy in the human body, a nice set of arms, including the bicep muscles will always be a classic. The unfortunate thing is, many people spend far too much time working out this muscle group and not enough time growing it.
Regardless of what muscle you're working in the body, there are going to be exercises that are going to isolate it in some way or another. The interesting thing about the bicep is, there is really one motion that is going to isolate the muscle effectively and that is the curl. Regardless of whether you are doing preacher curls, standing curls or concentration curls, you are working the biceps and you are doing so by flexing the muscle while at the same time, putting it under the load of external weight. If you're spending all your time doing these exercises, you're really missing the opportunity to grow your biceps to an extraordinary level.
One principle that you need to keep in mind, regardless of whether you are working your biceps or any other muscle in the body is that multi-joint exercises are going to benefit you more than isolating the muscle group. The reason why this is the case, is because our muscles do not work independently of each other and we should not work them out independently of each other for the very same reasons. Knowing exercises such as the bench press or lat pulldown not only work the chest and back muscles, they also hit the bicep muscles as well. You would probably be surprised with how much you are able to grow your biceps, even if you don't do a single exercise while you are at the gym.
The same is also true whenever you're working out the legs. Although it may seem a little bit confusing, how you're working the bicep muscles while you're working the legs, it actually happens inside of the body on the chemical level. Working hard on large muscle groups doing exercises such as the dead lift and squat is going to release a chemical into the body that lets it know that it is time to put on muscle. This chemical does not confine itself to the area of the legs that are being worked, it goes throughout the entire body. That is why the dead lift and squat should be the basis of all exercises that you do, simply because it can help you grow your biceps, chest, abs and any other muscles in the body.
That is a basic truth about bicep workouts, and it is one that many people tend to overlook whenever they are at the gym. Whenever you work your entire body using your biceps as a secondary muscle, however, you will experience the most growth and be balanced.