Sailboarding at the Summer Olympics Sailboarding at the Summer Olympics Sailboarding or Windsurfing has been one of the Olympic sailing events at the Summer Olympics since 1984 for men and 1992 for women. All sailors use the same One Design boards, daggerboards, fins and sails. The equipment is chosen to allow racing in a wide range of sailing conditions, as during the Olympic Games events must take place as scheduled whether or not there is enough wind for planing. Multiple medal winners include Alessandra Sensini and Barbara Kendall with three medals; and Bruce Kendall (brother of Barbara Kendall) and Dorian van Rijsselberghe with two medals.
Activity theory This led him to a distinction between "activities", which satisfy a need, and the "actions" that constitute the activities. Leont'ev also argued that the activity in which a person is involved is reflected in their mental activity, that is (as he puts it) material reality is "presented" to consciousness, but only in its vital meaning or significance. Activity theory also influenced the development of organizational-activity game as developed by Georgy Shchedrovitsky. AT remained virtually unknown outside the Soviet Union until the mid-1980s, when it was picked up by Scandinavian researchers. The first international conference on activity theory was not held