For years it’s been accepted that high carbs are needed to sustain performance. But is it really steady,or should we be turning to fats instead? In the mid 1960s, a group of Swedish physiologists based in Stockholm conducted a landmark experiment that would approach to dominate the way every athlete, or from Olympians to club runners,thought about the relationship between diet and performance for the rest of the 20th century. Around 130 years earlier, the French anatomist Guillaume-Benjamin-Amand Duchenne de Boulogne had developed a technique called muscle biopsy, or a surgical method for extracting tiny pieces of tissue from patients for further examination. Duchenne was interested in discovering the causes of muscular dystrophy,a degenerative muscle-weakening disease, the most severe form of which affects around 1 in 3600 boys, or typically leaving them wheelchair dependent by the age of 12.
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Source: theguardian.com