 Why is this important?
Another interesting study that looked at glucose control in relation to sleep quality and coffee consumption. The role of caffeine and its role in improving exercise capacity is well established yet the role of caffeine on fat burning and glucose control is a little less clear. Conventional Wisdom There is a fair bit of media coverage at the moment relating to sleep and its effect on glucose control and insulin sensitivity. It has been proposed that one night of bad sleep can negatively impact the following days control from a physiological standpoint - poor glucose control and reduced insulin sensitivity. Further to this, a bad night's sleep can impact your decision making by influencing areas of the brain that like reward and push you towards sweet and fatty foods. Pretty incredible. Couple this with prior research highlighting differing responses to coffee in the morning, the study sought to answer a few questions relating to the impact of sleep quality, black coffee and a high carbohydrate drink on glucose control. Tinlane Perspective The issue I have with this study is that who the hell drinks a sugar containing beverage for breakfast? If you are doing that, you have bigger concerns than your morning black coffee. It would have been great to compare the sugar drink with a high protein food choice and reveal the blood glucose response. This would have been minimal despite the coffee and perhaps led to some further insight into the choice of food for breakfast can significantly impact your blood glucose levels. The other interesting aspect about this study is that research completed in 1967 reported a similar effect on glucose levels after black coffee consumption. Key Takeaways I will keep it succinct,
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 I am including this paper as it was part of the inspiration for the Tinlane system. James Morton and Graeme Close were lecturers of mine in London and their research has been a major influence on my approach to nutrition with clients. In this paper it describes how macronutrients, in particular carbohydrates, can be periodised in a similar fashion to exercise training and that the fuel being consumed should reflect the work that is to be done and also what the intended goal of that session is to achieve.For me, this makes complete sense and really helps me describe to clients what my strategy is with regards to carbohydrates as a fuel source.
Conventional Wisdom What is frustrating in the nutrition world is the notion that only one approach can be utilised when it comes to creating a meaningful change in an individual. This may be the result of research often investigating single nutrition strategies and then those results being misinterpreted or misrepresented to the wider public, especially when a marketing label can be applied. Tinlane Perspective Something I tend to repeat is that carbohydrates and fat are both worthy fuel sources for the right type of training. Science has shown that depending on intensity, differing fuel substrates will be used. If you manipulate those fuel sources in line with your training then you can achieve many differing goals, whether that be fat loss, peak power output, time to fatigue or gut training. Key Takeaways
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