Build Muscle Fast with the Right Amount of Reps

By Klint Newton

How Many Reps Should I Do? Many people ask this question, and there are as many answers to this question as there are people asking it. One expert will tell you one rep scheme will produce mass gains, and that no other scheme will work. The next expert will tell you that you need to do a completely different amount of reps to gain mass, and that any other amount of reps will not produce favorable results.

With so many ideas how do you know what's right? I'll give you the scientific facts, and you can decide for yourself.

Different rep schemes concentrate on different parts within the muscle structure, and different muscle types. To keep it simple, let's say there are basically two different types of muscle fibers, fast and slow twitch. We will also say there are three different types of rep schemes.

1. Low reps (3-5), very heavy weight (88-93% of 1RM)

2. Medium reps (6-8), moderate weight (84-88% of 1RM)

3. Many Reps (15-25), light weight (60-70% of 1RM)

#1 is for gaining power. It should be noted that doing this type of rep scheme is intended to build strength, not size. This is how a person can be small but much stronger than someone who has 50 pounds more muscle mass. Generally a muscle needs at least 36 seconds of continuous tension to stimulate the need for growth. Since the weight is so heavy, these reps should be done quickly and explosively without losing form, although the move will actually be quite slow.

The middle scheme is for recruiting fast twitch fiber growth which builds muscle mass as well as strength. This kind of set should be performed slower than the first set. You will lower the weight in four seconds while lifting in two. This combination of time and lifting weight within 84 and 88 percent of your 1 rep max will stimulate muscle growth.

The last example uses slow twitch fibers, it will increase endurance and aerobic fitness and is much easier to recover from. The reason for an increase in endurance is because of a lactic acid build up in your muscles, which usually fatigues your cardiovascular system before your working muscles.

Now the question would be, What's best? Well, they are all beneficial. The truth is that muscle groups are comprised of Type I and Type II, Slow and Fast twitch muscle. So just as you need to vary your diet, you need to vary your training. When thinking about training, just keep in mind that your fast twitch muscles have the more capability for growth than slow twitch, but your body adapts to heavy, fast twitch fiber stimulating exercise. When your body adapts to your training, it's called a plateau. If you hit a plateau, you need to change your rep scheme and even your exercises for three to four weeks. Also, always strive to use proper form when you lift. Whenever you are unable to lift the weight one more time, with correct form, the set is over.

One of the fundamentals for muscle building success is to have a plan from the start with different rep schemes so that you will be targeting fast and slow twitch muscles how and when you should be. - 31525

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