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THE JUMP MANUAL: INCREASE FAST TWITCH MUSCLE FIBERS
Fast twitch muscles fibers are actually the ones who present the speed for muscle contraction. They give the athlete speed, agility, power and quickness. They are actually 10 times faster than other muscle groups. One way to Increase Fast Twitch Muscle Fibers is through isometric training. This exercise will most likely isolate and condition your fast twitch muscle fibers and increase your speed and quickness.
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