Training to failure can lead to a lack of control during movement execution.

“the neurons are trained to to complete the execution of the movement exactly and all in a very specific way because there's no plan B when you start failures so you start okay this is the stressful situation so I re I revert to plan B but for there's Plan B for amateurs top athletes don't have plan B watch a top lifter fail an attempt he or she is going to shake with that bar shake shake shake shake and finally it's going to come down but it's not like the butt's going to shoot up or something ugly is going to happen”