Entries by René Sack

From simple to advanced individualization

A few years ago I had a long conversation with a old and successful coach who told me that his plan fits to every athlete. As he put it: “They will get used to it after a while and then they will improve a lot.” He couldn’t convince me with this. What I saw in his group at this time was frustration and injuries. This kept coming up again and again with his athletes, but he was not willing to think where this could came from. For me the answer was clear.

Getting the most out of data collection and usage

In the era of big data, testing and diagnostics has become a central part of testing. But often coaches are more focused on the data than the process. To start with, there are four questions four key questions that coaches must ask when it comes down to testing in training: