How do you condition fast twitch fibres?

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Athlete12's picture

Athlete12

Question:

How do you condition fast twitch fibres?

I hear that is what makes you faster. This is because I am looking to get a faster time in my 100m and 200m

jusrockinout's picture

jusrockinout

Well, your body has a fairly predetermined ratio of slow and fast twich fibers. You can condtion your fast twich fibers but doing explosive movements. hops, skips, springs. Look up plyometrics.

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trappo's picture

trappo

It has been proven that extended periods of rest (months/years) result in a shift in fibre type from type I (slow twitch, oxidative) to type IIb (fast twitch). Sprinters and long jumpers etc can perform extraordinarily well at international level following forced rest due to sickness or injury. If sitting on yr ass isn't your thing I would stick to weights (using open chain explosive moevements, low reps high weight) and plyometrics.

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ppathlete's picture

ppathlete

The previous post about extended periods of rests i have heard of before however you will have to train again at some point so that would only be relevant before a competition.

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alexchan338's picture

alexchan338

you definitely need to understand the basics of FT fibers and how they work. FT fibers are obviously high energy, low stamina, work on inproving your ATP-CPr energy system would improve

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shindog's picture

shindog

Yes as above you have a preratio of slow (type I) and fast twitch (type IIa and IIb) the type IIb do have the proporties to change to typeI not the other way round like one of the previous comments stated.

You need to work on causing hypertrophy in your Muscles this is basically increasing the size of your Muscle fillaments this is done by exerting your Muscles this causes microscopic damage to the muscle.

the muscle will then repair itself and increase in size to stop the damage happening again. You will know if you have done this as your muscles will ache for around the next two days after exercise, this is called Delayed Onset Of Muscle Soreness (DOMS). Rest your muscles during this period and then repeat again with a slightly heavier weight

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why_not_fandy's picture

why_not_fandy

Train the energy systems (ATP-PCr and Glycolysis). Type 2 fibers are the ones that will see maximum gains from strength and power exercises through increased glycolytic enzymes. Good luck!

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