Fast Twitch Muscle Fibres
Автор: Hitsystem
Загружено: 2020-11-07
Просмотров: 478
Описание: Keith talks about the two different types of Fast Twitch muscle fibres, the super –powerful Type IIB muscle fibres which rely on the high-octane, self-replenishing Creatine Phosphate system, and the very powerful Type IIA Fast Twitch muscle, which relies on glycolysis to convert glucose (C6H12O6) into its breakdown product lactate (C3H6O3) for very high energy output, either aerobically, or anaerobically. The very rapid process of glycolysis, whether high-intensity aerobic, or extremely high intensity anaerobic, constantly produces H+ hydrogen protons (‘acid’) further upstream in the glycolytic breakdown pathways, and it is this ‘acidosis’ that brings rapid energy production to a close. The most powerful muscle fibres we have, the IIB, don’t produce acidosis acid and don’t use lactate as a fuel, so the creatine phosphate energy system is also known as the alactic energy system, and the IIA energy system is known as the glycolytic energy system as well as the lactate system.
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