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Posts with the category “dive-fitness”

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Which ear drops?
April 7th, 2024
Vinegar, it is worth remembering, is one of the most revered ingredients by sailors and divers. It removes encrustations, neutralises jellyfish nematocysts, and, although the mechanism of action is un...  Read More
by DAN Team
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DAN to the Rescue: Out of Antarctica
March 20th, 2024
Getting out of Antarctica quickly was very tricky. For the next two days the boat steamed full speed ahead, north from the polar circle to King George Island, where the Chilean base has the only airst...  Read More
by DAN Team
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An Unconscious Ascent .... DAN was There for Me
March 20th, 2024
I was eventually medically cleared to dive again and have logged 120 more dives since this experience....  Read More
by DAN Team
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River Diving
November 18th, 2023
Humans tend to be the most dangerous, both in their negligence to personal safety and in the dangers they leave behind. For centuries rivers have been the dumping grounds for trash. Broken bottles, ti...  Read More
by DAN Team
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Going Tec.....or maybe not?
November 18th, 2023
This is perhaps the most important question of all – why do you want to go tech? Is it your dream or do you want to impress your friends? Maybe you are a ‘certification collector'? Your motivation to ...  Read More
by DAN Team
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RESEARCHER PROFILE: Petar Denoble: Solving practical issues for divers
September 27th, 2023
We need to learn more about what constitutes individual variability. Because nitrogen bubbles have a role in DCS, at least in describing the severity of decompression stress, I would like DAN’s New Bu...  Read More
by DAN Team
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Weight loss for divers
September 17th, 2023
Scouting the various diving medicine websites, I was delighted to find a handful of articles that suggest that hyperoxia (high partial pressures of oxygen - ppO2) might, in fact, be beneficial for fat...  Read More
by DAN Team
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Predive Warm-Up
September 17th, 2023
Before you dive, take a moment to inventory your body. If you were sedentary on the ride out to the dive site your heart rate is probably near resting, so it is not circulating much oxygen to your mus...  Read More
by DAN Team
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Dive in the Fast Lane with DPVs
September 16th, 2023
Safely using a DPV requires additional training. Divers who intend to use one in open water without proper training may lose control of the unit or their buoyancy, which could lead to a rapid ascent a...  Read More
by DAN Team
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6 Common Questions About Women’s Health and Scuba Diving
August 20th, 2023
Roughly 1/3 of scuba divers are women — and this number is growing. It goes without saying that all divers should maintain a healthy lifestyle and physical fitness, maintain their health, follow their...  Read More
by DAN Team
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Diving Fit In 7-Days or Your Money Back
August 14th, 2023
Pushing an inflatable dive boat up the beach sounds harder than it really is. It's easier if you get a few dive mates involved with your fitness program and keep the boat balanced on its keel as you g...  Read More
by Dennis Guichard
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Diver and Dive Operator Ethics
April 30th, 2023
Financial incentives and kind behaviour kept us from noticing significant and concerning signs. Dive staff and professionals need to pay extra attention to checking every medical form, and staff membe...  Read More
by DAN Team
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Diver and Dive Operator Ethics
April 30th, 2023
Financial incentives and kind behaviour kept us from noticing significant and concerning signs. Dive staff and professionals need to pay extra attention to checking every medical form, and staff membe...  Read More
by DAN Team
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What Dive Computers Don\'t Know | PART 2
March 15th, 2023
The dive computer on your wrist does not know if you are overweight, have a PFO, if you donated blood the day before or previously suffered a case of DCS. I...  Read More
by DAN Team
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Special Forces Diver
March 15th, 2023
As one of the world’s most revered military diver training courses, you cannot just volunteer to be a South African Special Forces Diver. The entry pre-requisite is successfully completing the gruelli...  Read More
by DAN Team
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Cape Marine Research and Diver Development
March 1st, 2023
Cape Research and Diver Development is the brainchild of Mike Barron and Dylan Irion. The company is based on their previous work experiences at other worldwide marine research and conservation organi...  Read More
by DAN Team
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The Benefits of Being Bald
March 1st, 2023
Alopecia is an immuno-disorder whereby your immune system mistakenly attacks your hair follicles, causing them to become inflamed, resulting in ultimate hair loss. Each person has a different overall ...  Read More
by DAN Team
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Dive into Freedive Instruction
March 1st, 2023
I freedive because there is no other place that I can go to where I feel so out of and in control at the same time. With each dive I feel like I meet my Maker. Whether it is diving the ocean, and seei...  Read More
by DAN Team
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Adaptations we experience in freediving - Part II
October 15th, 2022
Even if a freediver is in the best physical shape possible, if their mind is distracted, if they’re not comfortable with the increased level of pressure or darkness at depth, or they are not confiden...  Read More
by DAN Team
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Adaptations we experience in freediving PART 1
October 15th, 2022
When trying to gain adaptation of the lungs for freediving it’s important to add depth gradually when training. Even if a diver had the confidence, relaxation level, and breath hold time to dive to 10...  Read More
by DAN Team
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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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 2023
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