BIO 3303 Lecture Notes - Lecture 7: Interval Training, Phosphagen, Oxidative Phosphorylation
11 Jan 2019
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Now, back to what determines which fuel is used during exercise. Often, atp from the phosphagen pools is the first thing used because it"s just there. They"re kind of all used at the same time; there isn"t anything turned on or off in terms of the fuel. The mechanisms of the supply routes only change the availability of atp at any given time. The reason for doing high intensity interval training; our bodies are so good at getting fit that we"re being efficient at our production of atp, and if we"re doing just cardio, we"re just using glucose in our muscle stores. Fat burning really is mainly used after high intensity interval training because it"s used up to make up for the debt you"ve got with lactic acids. Anaerobic methods powered by fast twitch (type ii) muscle fibers to get as much energy as fast as possible.
