While the phosphocreatine energy system is well known for sprinting, it also has another crucial role as part of the aerobic energy system. We delve into creatine's part in not only temporal energy buffering, but spatial too, and how cells are organized to support this and how badly organisms suffer without it. Then we look at more research showing that the aerobic recovery of phosphocreatine is highly correlated with repeated sprint power, and come to some practical conclusions we can make from the research.
"Conveyor Belt" paper: Mitochondrial creatine kinase in human health and disease
Impaired voluntary running capacity of creatine kinase-deficient mice
Relationship between different measures of aerobic fitness and repeated-sprint ability in elite soccer players
The Recovery of Repeated-Sprint Exercise Is Associated with PCr Resynthesis, while Muscle pH and EMG Amplitude Remain Depressed
You're Training Too Hard For Criteriums -- Here's Why