Straddle technique Straddle technique The straddle technique was the dominant style in the high jump before the development of the Fosbury Flop. It is a successor of the Western roll, with which it is sometimes confused. Unlike the scissors or flop style of jump, where the jumper approaches the bar so as to take off from the outer foot, the straddle jumper approaches from the opposite side, so as to take off from the inner foot. In this respect the straddle resembles the western roll. However, in the western roll the jumper's side or back faces the bar; in the straddle the
Event partitioning The premise of event partitioning is that systems exist to respond to external events: identify what happens in the business environment that requires planned responses, then define and build systems to respond according to the rules of the business. In particular, a business system exists to service the requests of customers. A customer, in the jargon of the Unified Modeling Language (UML), is an "actor". The method has the following steps. The technique was extended with "non-event" events by Paul T. Ward and Stephen J. Mellor in "Structured Development for Real-Time Systems: Essential Modeling Techniques". Yourdon/DeMarco style of data dictionary