Enhancement through Training Volume Stress and Recovery
Each training session has a purpose. In effect you are telling your body what you want it to be able to do. A lot of the training is based around holding good form while producing movement at a particular speed. If this is continuous without time to recover, performance will deteriorate, and injury will occur. If the right amount or recovery is allowed enhancement will occur.
If someone puts on more effort (intensity) during any time of a session, the time spent in that higher effort creates more stress on the body. In the same regard if a headwind develops on the same training course that you usually cover you have increased the training stress with that head wind by either riding a longer time for the same distance or with more effort for the same time.
The point is that total Training Stress, a calculation of Time Spent at particular Training Intensity should be considered. For a set amount of training time, Lower training intensity brings about a lower training stress then higher training intensity. It’s not one or the other, it is a formula of both. (This subject is being further developed)