Category Archives: Scuba Training

Incompetent and Unaware: We Don’t Know What We Don’t Know

The simple premise is that we don’t know what we don’t know. Even worse, we don’t know that we don’t know!! This double hit in competency was highlighted by a couple of social researchers Dunning and Kruger when they undertook a series of experiments to assess what their subjects thought of their own knowledge. The…
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Factors affecting deep scuba Diving

A very similar version of this article was posted on my personal blog. I was asked to post it here so that visitors to the largest scuba forum might get a chance to read it. A recent tragic event – the death of Guy Garman attempting a 1,200 foot dive on open-circuit scuba – have…
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In-Water Recompression

CDR Joseph Dituri’s new article Take Me Back Down: The best “over the counter” remedy for DCIs, published by Best Publishing Company, offers a personal perspective on the emergency use of in-water recompression. It is based on Dituri’s personal experience; while an avid and experienced diver, he finds himself in a remote location and suffering…
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Scuba Diving Safety by Dan Orr and Eric Douglas

The book, Scuba Diving Safety, by Dan Orr and Eric Douglas has gotten positive attention recently and Best Publishing Company has decided to distribute it to the diving community. The book was originally published by Human Kinetics, but wasn’t well marketed to the diving community. You can now buy the book today from Best Publishing…
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Rescue Training Revisited

Rescue Training Revisited During my first Florida Lobster mini-season as a divemaster on a dive boat many moons ago, we had three rescues the first day. Oh Boy! Did that open my eyes to the reality of unprepared divers, and to the importance of having a solid foundation of rescue skills. I now live in…
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Scuba Shoulders

Healthy shoulders are vital to a positive scuba diving experience. The mobility of the shoulder joint exceeds every other joint in the human body. It enables divers to reach behind, under, around, above and beyond in nearly unlimited directions and rotation. Consequently, by design the shoulder joint and its musculature are highly susceptible to injury…
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How a Small Group of Instructors Spurred Reform in Scuba Instruction

Two years ago, PADI's professional membership quarterly, The Undersea Journal, published an article describing a non-traditional approach to scuba instruction, one that introduced skills to students in a horizontal posture while neutrally buoyant rather than anchored to the floor of a pool on the knees.1 The approach focused on buoyancy from the earliest stages and…
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Kissed by the darkness

"Just another cave training story, enjoy" - Luca I will never forget the first time the cave went dark. We were at Owl's hole, a beautiful cenote not too far from the beach. A long steel ladder was the only way in and out of the crystal-clear blue pond sitting at its bottom. We were…
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Diving with Stevie Wonder (My Thoughts on Narcosis)

Originally published at JohnChatterton.com My friend Nick called me up the other day and told me about how he was out diving on the Hydro, and had a serious issue with narcosis? The Hydro Atlantic is a beautiful local wreck, 180′ to the sand, but only about 130′ to the main deck. Nick is a…
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Scuba Fitness: Featured Exercise - The Dolphin

This exercise emulates the fin-kick swimming of both dolphins and divers. Exercising at the beach has its benefits! The sea brought us a gift during our Sunday evening walk at Tamarack Beach in Carlsbad. A small Bottlenose dolphin (perhaps 4 feet in length) became caught in the surf. We came upon it rolling in and…
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