This systems, when trained correctly will use most of it’s energy from burning of fat.
So we have established you need to run longer than marathons, use the slow twitch muscle fiber and train correctly. But what means training correctly. Well, we need to take a look at the energy systems
our bodies uses to deliver energy to our muscles.
1. The oxidative or aerobic energy system
Anything over 2 minutes this system will predominantly be used. This systems, when trained correctly will use most of it’s energy from burning of fat. The more efficient it becomes the faster you can run utilising fat as fuel.
2. The glycolytic or anaerobic energy system
This energy system is used from about 30 seconds up to 2 minutes and uses predominantly carbs as fuel.
3. Phosphagenic energy system
This energy system is used for anything high intensity between 1-30 seconds. And this also uses carbs as fuel.
Alright now I know the different energy systems, what now?
Although these above explanations are extremely basic, this is important information in terms of being and becoming an endurance athlete. The aerobic energy system mainly uses slow twitch muscle fiber (ahaaaa), and fast twitch muscle fiber is connected to the anaerobic energy system and phosphogenic energy system.
This means to be a better and faster endurance athlete and ultra runner you need to train in your aerobic zone to make you body more efficient to burn fat as fuel and your slow twitch muscle fiber to get more endurance.
More on this in part 4 where we go through getting your aerobic zone mapped out.
Ultra running seems cool – Part 4 – The zone 2 secrets
Ultra running seems cool – Part 2 – Muscle fiber
Ultra running seems cool – Part 1 – How do I start?
I want to start running – Part 3 – The first 5k
I want to start running – Part 2 – The first 30 minute session
I want to start running – Part 1
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