In athletes, intramyocellular lipids function as a fuel source that is rapidly turned over.

“we started and I think we were one of the first to start measuring how much of that lipid inside the muscle inside the muscle fibers is being used during exercise and we did that using those stabil Isotopes indirectly but also by taking muscle biopsies before and after exercise and looking at the number and the size of these small lipid droplets and that goes down so atlet use a lot of the intram myell lipid for their energy provision and particularly in the beginning of exercise”