Expertise: When we think of expertise in jiu jitsu we typically equate it with skill level on the mat – how good are you at performing the various moves and tactics of the sport and applying them against skilled opponents? It is important to realize however, that expertise is a concept with many faces. one of the most important elements of expertise and one which makes it easy to distinguish beginner from expert, is the ability of an expert to make significant distinctions between events and situations that the beginner simply does not see. Most people are familiar with the often used example of Alaskan natives (Inuit or Eskimo) and their vocabulary for snow.” Most people typically use the word “snow” to apply to any situation where white powdery condensation falls from the sky in winter. For our purposes
