How to Destabilize a Skill

When we talk about destabilizing a skill what exactly does that mean and what does that look like in the context of trying to reintroduce a different or more efficient movement? "Coaches and teachers need to be careful how they do this because you know destabilizing might lead to certain unsafe situations situations where people can become injured," he says. 'The way that people learn skills doesn't prepare them for performing that skill in every environment'