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Posts with the category “alert-diver-summer-editions”

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Fitness Myth or Fitness Fact?
April 15th, 2021
1 August 2016 | Author: Jessica B. Adams. Ph.D. When planning an effective fitness program, it is important to separate fact from fiction. Fitness folklore spreads quickly because many people are dra...  Read More
by DAN Team
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Prescription Dive Masks
December 8th, 2020
To understand the options for divers who require refractive correction, a basic knowledge of how the eye works is helpful. Light enters through the cornea, where the focusing process begins, and passe...  Read More
by DAN Team
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Volunteer Fish Surveys: Engage Divers
July 3rd, 2020
The REEF Volunteer Fish Survey Project represents the world’s largest database of marine-life sightings, containing more than 250,000 surveys to date. Divers and snorkelers of all ages and experience ...  Read More
by DAN Team
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Dive Deprivation
July 3rd, 2020
These are hard economic times for the dive industry. These are hard emotional times for recreational divers too. We don’t want to stop diving, but even places you can drive to, such as the Florida Key...  Read More
by DAN Team
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Travel Smarter: PRE-TRIP VACCINATIONS
June 2nd, 2020
Protecting yourself from disease involves not only staying in good shape, getting enough sleep, maintaining adequate nutrition and hydration and practising proper hygiene but also ensuring you are up ...  Read More
by DAN Team
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Group Fitness at the Pool
February 3rd, 2020
Many water aerobics programs involve time in both the shallow and deep ends of the pool. Participants in deep-water classes wear a flotation belt to keep them above the surface at all times. Shallow-w...  Read More
by DAN Team
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Suspension Training -The world is your gym.
January 22nd, 2020
Since a stable core is essential for all in-water movements, these core-blasting exercises are perfect for scuba divers....  Read More
by DAN Team
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Cultivating Conservation
November 10th, 2019
As scuba divers we are responsible to take action to protect the environment . Divers will rather visit marine protected areas where they can see more fish, more vibrant coral reef, better water quali...  Read More
by DAN Team
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Exercise drills with Dowels
November 10th, 2019
Strengthening hip and back extensors will help you fin with ease and minimize your risk for developing back pain. Hip- and knee-extension strength is important for standing up while weighted with scub...  Read More
by DAN Team
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Emergency Planning: Practicing the Plan
October 3rd, 2019
Your team needs to understand the situation and be able to prioritize actions when faced with emergencies. While risk will always be present, improved knowledge, understanding and preparedness remain ...  Read More
by DAN Team
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Recompression Chamber Safety
October 3rd, 2019
Instead of simply listing requirements relevant to the safe recompression of injured recreational divers, DAN identified real, likely hazards, quantified their significance and presented mitigation gu...  Read More
by DAN Team
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Air Hoses: A Closer Look
October 3rd, 2019
In our ongoing effort to learn more about these hose failures, we consulted the manufacturers. A major supplier expressed great concern about the reports and asked that we share as much information wi...  Read More
by DAN Team
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Protect your Environment
September 30th, 2019
Dive businesses, professionals, divers and the broader dive community should be aware of the harm their activities could cause. Pollution, damage, invasion by non-endemic life-forms, removal of protec...  Read More
by DAN Team
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Piston or diaphragm: Does it matter?
September 26th, 2019
The most important factor in a properly working regulator is not what you use but how you use it. Personal preference can guide your purchasing decision; modern regulators from a quality manufacturer ...  Read More
by DAN Team
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DAN was there for me.
September 6th, 2019
Be sure to go over emergency procedures in every dive briefing. ...  Read More
by DAN Team
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The Paper Nautilus
September 5th, 2019
Paper nautiluses, also known as argonauts, come to the surface at night to mate and to trap air in their shells to use for buoyancy....  Read More
by DAN Team
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Keep Pushing
September 5th, 2019
While you may have taken a CPR course with diving in mind, keeping your certification current and your skills fresh will have you ready to assist in any situation and can help save a life....  Read More
by DAN Team
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Marine Life injury
September 5th, 2019
It is not unusual to experience delayed symptom onset. Some divers have obvious initial symptoms that resolve and then manifest again days later. Dermatologists refer to this as a delayed hypersensit...  Read More
by DAN Team
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Retinal Detachment
September 4th, 2019
A retinal detachment is very serious and should be treated urgently due to the risk of permanent vision loss in the affected eye....  Read More
by DAN Team
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Vaping and Diving
September 4th, 2019
The residuals of incomplete burning (carbon monoxide, carbon dioxide) are not the major concern in electronic cigarettes, but vapor does contain putative carcinogens ) and toxicological compounds. ...  Read More
by DAN Team
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Scuba Diving and Life Expectancy
September 7th, 2018
Diving burns more calories than many people think. It is a very gentle form of exercise, but it is exercise nonetheless. When divers breathe air or nitrox at depth, reactive oxygen species are produce...  Read More
by DAN Team
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How the dive Reflex protects the brain and heart
September 7th, 2018
Simply being immersed in water creates a hydrostatic pressure effect on the body that essentially squeezes some of the blood from our extremities back toward our heart. The vagus nerve also causes cer...  Read More
by DAN Team
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Altitude sickness and DCS
September 7th, 2018
Let them have the adventure of a lifetime....  Read More
by DAN Team
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Dry suits and skin Bends
September 7th, 2018
Cutaneous DCS typically presents as a blotchy, bruise-like rash generally appearing in areas of the body with the most adipose tissue (body fat), such as the abdomen, thighs, buttocks and breasts. The...  Read More
by DAN Team
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Return to Diving
September 5th, 2018
Conservative diving is strongly recommended to avoid a repeat DCS incident. Being conservative is a trade-off. Divers want to maximize their bottom time to get the most out of every dive, but that max...  Read More
by DAN Team
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Injuries due to exposure - Hyperthermia
July 9th, 2018
Water temperatures that exceed 97°F (36°C) are not commonly experienced by recreational scuba divers. As a result, hyperthermia typically occurs during surface or land-based activities....  Read More
by DAN Team
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The Strength of Indemnities
January 8th, 2015
The court ruled that a defense based on the fact that a tourist signed an indemnity was not sufficient and held the company and the skipper, liable. The cause of action revolved around the negligence ...  Read More
by Ryan Courtney

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 2021
 April
Aqua Pool Noodle ExercisesUnderwater Photographer and DAN Member Madelein Wolfaardt10 Simple Things You Can Do to Improve Your Underwater PhotographyCOVID-19 and Diving: March 2021 UpdateDiver Return After COVID-19 Infection (DRACO): A Longitudinal AssessmentGuidelines for Lifelong Medical Fitness to DiveExperienceFitness Myth or Fitness Fact?The Safety of Sports for Athletes With Implantable Cardioverter-DefibrillatorsCardiovascular Fitness and DivingHypertensionPatent Foramen Ovale (PFO)Headaches and DivingMiddle-Ear Barotrauma (MEBT)O’Neill Grading SystemMask Squeeze (Facial Barotrauma)Sinus BarotraumaInner-Ear Barotrauma (IEBT)Middle-Ear EqualisationAlternobaric VertigoDecompression IllnessOn-Site Neurological ExaminationTreating Decompression Sickness (The Bends)Top 5 Factors That Increase Your Risk of the BendsHow to Avoid Rapid Ascents and Arterial Gas EmbolismUnintended Rapid Ascent Due to Uncontrolled InflationUnexpected Weight LossFlying After DivingWisdom Tooth Extraction and DivingYour Lungs and DivingScuba Diving and DiabetesDiving after COVID-19: What We Know TodaySwimmer’s Ear (Otitis Externa)Motion SicknessFitness for DivingDiving After Bariatric SurgeryWhen to Consult a Health-Care Provider Before Engaging in Physical ActivitiesFinding Your FitnessHealth Concerns for Divers Over 50Risk Factors For Heart DiseaseJuggling Physical Exercise and DivingSeasickness Prevention and TreatmentMember to Member: Guidelines for SeniorsHigh-Pressure OphthalmologyOver-the-Counter Medications
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