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Posts with the category “dive-fitness”

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Nutrition for scuba diving: practical advice to enjoy your dives!
September 20th, 2022
A diver should complete their regular daily meals i.e., breakfast, lunch, and dinner. The ideal meal before immersion should be lightweight and easily digestible, and should include sources of complex...  Read More
by DAN Team
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Diving with a Cold sore
September 15th, 2022
Cold sores can become complicated by bacterial infections, so it is important to wash them thoroughly with soap and water and keep them as clean and as dry as possible....  Read More
by DAN Team
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Mistakes and Bad Decisions
September 15th, 2022
It is a testament to DAN’s efficiency and reputation that the hospital didn’t once bother me about payment. I was on oxygen all night with occasional breaks for air since the hyperbaric doctor wouldn’...  Read More
by DAN Team
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Freediving: Seeking and Finding Our Limits
August 24th, 2022
I thought the freediving certification would simply teach me how to hold my breath for an impressive amount of time. But it was so much more than that, providing an invaluable lesson in the chemistry ...  Read More
by DAN Team
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Diving With My Dad
August 24th, 2022
My dad had started scuba diving 30 years earlier when he joined the Merchant Marine. He traveled the world on merchant ships, which allowed him to dive in many distant port cities. Later, he and his d...  Read More
by DAN Team
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Freedive with Psoriatic arthritis
August 10th, 2022
Metotrexate intake could put your student at a further risk for its side effects which includes lung tocixity and myelotoxicity. Hence you need to have your student’s fit to dive necessarily verified...  Read More
by DAN Team
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The Joys and Challenges of the Deep
July 8th, 2022
This year the CMAS Freediving Outdoor World Championship was held in Kas, Turkey. It was a great spot because of its marine environment and sea conditions which are very important when making challeng...  Read More
by DAN Team
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Freediving Is About To Enter A New Era If Oxama Has Its Say
July 6th, 2022
I didn’t have a dramatic wake-up call underwater, but I began to feel a profound desire to improve underwater safety. At the beginning of 2017, Claudio, Vincenzo, and I were preparing for our next sum...  Read More
by DAN Team
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Four Tips For Staying Warm While Cold Water Diving
July 6th, 2022
The basic question in cold is how to maintain adequate thermal insulation without marked cold or heat strain and with minimal impairment on physical performance. 24-hour energy expenditure is increase...  Read More
by DAN Team
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Ensuring Safety in Freediving Competitions
July 6th, 2022
Freediving competitions present a significant logistical challenge, and it is typically the safety divers who are in charge of the daily setup and breakdown of the event equipment. This exposes the sa...  Read More
by DAN Team
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A Little Detail
July 3rd, 2022
How did I end up with the hematoma? It was a coldwater day for a South Floridian, which is why I chose to wear a thicker wetsuit and hood, which are always stiff. When I descended, I performed the usu...  Read More
by DAN Team
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Unconscious Diver
July 3rd, 2022
Stop and think went out the window, and I acted. I jumped into the water with my damp wetsuit around my waist and swam to the diver, about 20 feet from the boat. My countless rescue exercises came to ...  Read More
by DAN Team
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Cardiac Arrythmias in Scuba Divers
June 13th, 2022
Sudden cardiac death, or SCD, is an abrupt, unexpected loss of heart function that results in fatality and often occurs in people who were previously presumed healthy. ...  Read More
by DAN Team
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Rely on Your Emergency Planning
May 30th, 2022
As a busy dive professional, you have to keep track of students and their individual needs, organize training logistics, evaluate water conditions, and keep track of an endless list of safety related ...  Read More
by DAN Team
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Marfan Syndrome Recommendations.
April 7th, 2022
Medications and your baseline wellness are also worth reviewing. Some medications may have adverse reactions that may be a contraindication to diving. Your daily wellness is a necessary consideration,...  Read More
by DAN Team
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Concussion and Return to Diving
April 7th, 2022
The best recommendation is to focus on your recovery and not resume diving during this period. Determining your seizure risk after your head injury is necessary before consideration for a return to di...  Read More
by DAN Team
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A Hole in My Heart
April 7th, 2022
During the summer of 2019, our group visited Lake Huron’s Thunder Bay National Marine Sanctuary in Michigan to dive the historic shipwrecks from the late 1800s that rest nearly intact in 160 to 200 fe...  Read More
by DAN Team
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Pulmonary Hypertension and Diving
March 30th, 2022
A person’s preexisting condition and exercise intolerance will affect the heart and lungs’ ability to perform underwater. Various factors while underwater lead to intravascular volume shifts to the ce...  Read More
by DAN Team
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More Than a Sore Shoulder
March 30th, 2022
When reflecting on what likely went wrong, I realized that my 15 minutes of cold decompression after 45 minutes of comfortably warm ongassing at depth was a textbook case of what not to do. While it w...  Read More
by DAN Team
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Building Better Balance
March 26th, 2022
Most activities that keep you on your feet naturally help you maintain balance, but the targeted exercises in this circuit can further improve your stability. These unilateral exercises isolate each s...  Read More
by DAN Team
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DIVERS LOSING ACCESS TO EMERGENCY CARE
February 3rd, 2022
The harsh reality is that the percentage of hyperbaric medicine programs introduced during the last decade that are available on a 24/7 basis to treat divers and these other emergent conditions has co...  Read More
by DAN Team
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UNCERTAINTY AFTER DIVING: Case Report and Recommendations #4
February 3rd, 2022
The signs and symptoms of DCS are not exclusive to that condition. However, when a person experiences signs or symptoms after diving, DCS is very often presumed to be the diagnosis. This is not all ba...  Read More
by DAN Team
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UNCERTAINTY AFTER DIVING: Case Report and Recommendations #2
February 3rd, 2022
Medications can also affect your ability to function normally, regardless of whether you’re on land or underwater. Common seasickness medications, for example, come with advisories stating that they m...  Read More
by DAN Team
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UNCERTAINTY AFTER DIVING: Case Report and Recommendations #1.
February 3rd, 2022
Books and articles about DCS usually include an extensive list of signs and symptoms. It is important to remember that none of the signs and symptoms in any such list is exclusive to DCS. ...  Read More
by DAN Team
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MARINE ENVENOMATIONS: Jellyfish & Hydroid Stings
January 21st, 2022
Anaphylaxis is a potentially deadly allergic reaction that can involve respiratory distress, airway compromise and other unstable vital signs. If anaphylaxis occurs, immediately administer epinephrin...  Read More
by DAN Team
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WOMEN’S HEALTH & DIVING
January 21st, 2022
Men and women, however, are physically and physiologically different. With women representing about third of the recreational diving population — in 2013 the Professional Association of Diving Instru...  Read More
by DAN Team
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BACK TO BASICS : UNDERSTANDING DECOMPRESSION ILLNESS
January 18th, 2022
Divers face two types of decompression-related injury: decompression sickness (DCS) and arterial gas embolism (AGE). Collectively, these conditions are often lumped together and referred to as decompr...  Read More
by DAN Team
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PFO CONCERNS IN DIVE INJURY TREATMENT
November 19th, 2021
A PFO is undoubtedly a concern with diving because about 25 percent of the population has one. The recovery position supports and maintains an open airway in an unconscious person or injured diver. ...  Read More
by DAN Team
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DAN SUMMER RESEARCH INTERNSHIP
November 19th, 2021
More than 100 interns over 20years have participated in DAN’s internship programs, working with established mentors in research, risk mitigation or medicine to gain knowledge and valuable professional...  Read More
by DAN Team
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Shore Thing A HOW-TO GUIDE FOR ASPIRING BEACH DIVERS
November 19th, 2021
Aside from allowing me to avoid that sunrise alarm, shore diving offers other freedoms as well: the last-minute choice of a dive site, the ability to do two-hour dive without worrying a boat crew and...  Read More
by DAN Team
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It Can Happen to Anyone
November 19th, 2021
Our divemaster immediately gave me 100 percent oxygen and notified the captain. We quickly returned to the resort dock. At some point during the ride back they had called to shore and contacted DAN, w...  Read More
by DAN Team
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Introduction to Swim Fitness
November 19th, 2021
Maintaining a balance of physical, social and emotional wellness has become a challenge for many in the age of COVID-19.Exercising in water can increase cardiac function, reduce blood pressure and imp...  Read More
by DAN Team
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Finding Your Fitness
November 19th, 2021
Recreational scuba diving is generally categorized as moderate physical activity, but circumstances can make it high intensity. For reference, other examples of moderate activity are a brisk walk on a...  Read More
by DAN Team
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Looking into the lungs
November 18th, 2021
When I started reading about breath-hold research, I realized that nobody had shown that a breath-holding human could conserve oxygen. There were, however, discussions about oxygen-conserving effects ...  Read More
by DAN Team
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Suseptability to Seasickness
August 18th, 2021
The inner ear houses the vestibular apparatus and the semicircular canals, which send information about balance, head position, motion and acceleration to the brain. These organs are sensitive to pres...  Read More
by DAN Team
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Lessons Learned While Lost at Sea
August 3rd, 2021
Understand the risks and that there are bad dive shops. I chose this shop because I found them on a dive association’s website as a highly rated dive center. The criteria that I had used to select a s...  Read More
by DAN Team
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Symbiosis on the Sand
August 2nd, 2021
The close living arrangement between weak-eyed alpheid snapping shrimp and sharp-eyed partner gobies is a classic example of symbiosis in the sea. Goby-associated snapping shrimp are master sand dwell...  Read More
by DAN Team
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Exercising After a Break
July 29th, 2021
There is no perfect time for a workout, and you have to balance all your daily requirements, but people who plan for and prioritize exercise are more successful in the long run. Plan for your workout ...  Read More
by DAN Team
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Outer- and Inner Ear Infections
July 29th, 2021
Trauma to the external canal disrupts the protective epithelium that, along with earwax, prevents infection....  Read More
by DAN Team
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Return to Freeding after Cancer Treatment
July 29th, 2021
Shallow water, however, does not always mean it’s safe. Your lungs must tolerate rapid changes of volume with the pressure at shallower depths, and the greatest changes occur in the first 33 feet (10 ...  Read More
by DAN Team

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 2022
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