Big Bicep Workout - With Lee Labrada

Hi I&Lee Labrada, your lean body coach and welcome to this weeks ask Lee. This week&Ask Lee question is from George Johnson of Los Angeles. QUESTION: George writes: "Lee, i&trying to build bigger more cut biceps. Is it true that you have biceps exercises that build mass and others that build cuts and peak?" ANSWER: George, the size and shape of your muscles is largely determined by your genetics. That includes your biceps muscles. So, regardless of whether you build your biceps by performing sets of barbell curls or preacher curls, the final size and shape is predetermined. Keep in mind however, that everyone can improve the development of their muscles, you never know how far you&be able to go, so you owe it to yourself to train hard, knowing that you will enjoy an improvement over where you are now. Let&look at the muscle fibers and your biceps. The muscle fibers in any of your muscles, including your biceps, must contract in order to complete the movement. Muscle fibers work on the all or none principle, that is they either fully contract or they don&contract at all. As you start a set of curls, a small percentage of the fibers in your biceps are recruited. With each succeeding repetition, more and more fibers are recruited in order to complete the movement. As you approach muscular failure in the last reps of a set, the majority of fibers in the biceps muscle will be activated. This is the point at which you get the most benefit from the exercise, because the...