Why is my fitness not improving?

We have all been there, we have been training hard and made some great progress, but recently things have slowed down, stopped or actually gotten worse! This can quite frustrating and demotivating. So why might your fitness not be progressing? Hopefully by the end of this you might have an understanding as to why. First of all let’s take it back to basics. There are fundamental principles that we manipulate to ensure our progress. The FITT Principle stands for: Frequency -