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It has been shown that on average elite level GKs typically perform 4-10 ‘defensive actions’ per game, all at high intensity.
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These actions are very short in duration, often with long intervals in between them. Therefore, whist physical fatigue may not be the issue for GKs during match-play, the ability to concentrate and focus for those prolonged periods, may be the deciding factor.
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In my previous post I highlighted that research indicates that GKs energy expenditure was approximately 600 kcal.d-1 less than that observed in outfield players, for example, approximately 2900 kcal vs 3500 kcal per day.
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Whilst it’s clear that the total energy intake of GKs needs to be lower than outfield players, it is still important that GKs make the correct nutritional choices.
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Decision making, focus, concentration, maintaining attention, responding to relevant cues, are all psychological skills required for a GK and are controlled by the brain.
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What is the primary fuel the brain uses? Glucose (carbohydrate).
Furthermore, what is the only fuel the body can use for maintaining high intensity exercise? Carbohydrate.
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Another factor that has shown links to cognitive performance is hydration. Optimal hydration pre & during match can offset any negative performance effects caused by dehydration.
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Low levels of dehydration can reduce attention, reaction levels and lead to mood disturbance.
Additionally, dehydration can impact those important high-intensity actions previously mentioned by decreasing your strength and power.
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A misconception may be to hydrate with an energy drink
Yes, some energy drinks contain caffeine & there’s research to support performance benefits of caffeine (physically & mentally), but caffeine can also reduce steadiness of the hands, not side effect a GK may want!
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Caffeine is also a diuretic, which can promote urine production, ultimately leading to dehydration if over consumed.
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The key message is that nutrition needs to be viewed as a fuel and the nutritional choices you make can have a direct impact on your performance. This is something you can control with the correct knowledge and understanding.
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GKs don’t hop to set. They hop to self organise their body to dive.
You see a “mistake” and look at twitter you’ll find countless theories regarding why that GK conceded which always leads to a technical / physical error.
But your body will only produce an action as a reaction to what it perceives.
Is the chosen action wrong because of what the brain is telling them to do as opposed to their body “unable to do something” due to set up?
Set up changes according to situation / what you perceive.
So how do people differentiate between anatomical and mental “issues”?
Remember this is just thoughts! But hopefully this thread can give others something else to think about before jumping to a physical fix.
"I learned a lot from him, even though we are different types of goalies. He's one of the nicest people you could meet - it's rare in football to meet someone so genuine and down to earth. He's done everything in the game - winning the Champions league
"He was a hero at Rangers and it's nice to see someone do so well for themselves and stay the same person they've always been. He was a great guy and a brilliant goalie.”