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Dive TheoryA Practical Guide for Divemaster Trainees, Instructor Candidates and Anyone Interested in Exactly How Much Air is Required to Lift an Outboard Motor off the Seabed.Alex Griffin, Diving Leisure LondonHow many people have ever gone into space on an aeroplane with a big bottle of Coke and then all the Coke has fizzed up and gone in your lap and your ears hurt? Well that's kind of like when we go diving. Understanding basic dive theory will help not only in your diving but in all aspects of your life, although mainly just the diving bits.Divers are introduced to dive theory right from the off on an Open Water course. Buoyancy, pressure and life threatening lung injuries are explained on the DVD by a fat man going red from sunburn as he comically attempts to fill a cylinder with a bicycle pump. However, for most divers their first introduction to the real substance of dive theory takes place on the Divemaster course. The theory is split into five main areas: physics, physiology, decompression theory, dive skills and the environment. Instructors are also tested on their theory as part of their exams, so knowing your way around each subject is crucial in your ability to not look a bit thick next time a student diver asks you what a shallow water blackout is (the answer, as everyone knows, is unconsciousness brought on by a drysuit squeeze to the knackers)... To read the rest of this article, you'll need to get your hands on Tanked Up Magazine. It's free. What are you waiting for? |
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