Medical Matters

HomeFreeDivingMedical Matters

The physiological and psychological aspects of freediving

Freediving Turned Me Into A Wussy

Posted By Paul Kotik on 4 September 2006 Rated :

  • Currently 4.5/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Freediving Editor Paul Kotik's heartrending confession of his slide into contramachismo.

Picking Your Brain

Posted By Paul Kotik on 10 July 2006 Rated :

  • Currently 4.5/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Freediving Editor Paul Kotik's remaining brain cells were recently an on-screen feature at a medical symposium. And yours?

The Sweeter Science of Freediving

Posted By Paul Kotik on 26 June 2006 Rated :

  • Currently 3/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Freediving Editor Paul Kotik receives a Message From The Interior.

The Party of the Big Tent

Posted By Paul Kotik on 31 January 2005 Rated :

  • Currently 4/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Freediving Editor Paul Kotik opens a series of articles on the Next Big Thing in freediving. Pay a tent, son.

Poolside at the 3rd Dutch Apnea Open

Posted By Sam Kirby on 20 December 2004 Rated :

  • Currently 4/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

DB Contributor Sam Kirby dives Dutch,dallies at dinner and delightfully describes the detailed drama.

The Later Volumes of Freediving

Posted By Paul Kotik on 21 November 2004 Rated :

  • Currently 4/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Freediving Editor Paul Kotik introduces a new literary genre: Freediving Fiction. Or is it ?

Ingenious solutions employed by free-diving penguins

Posted By Erik Seedhouse on 16 June 2003 Rated :

  • Currently 4/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Penguins are world-class free-divers capable of diving to depths exceeding 50m. Dr. Erik Seedhouse explains why

Fear the Squeeze

Posted By Peter Scott on 7 April 2003 Rated :

  • Currently 4.5/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Peter Scott recounts his experiences with Lung Squeeze and gives some advice on how to minimize its occurance

Aerobic Capacities of Freediving Mammals

Posted By Erik Seedhouse on 31 March 2003 Rated :

  • Currently 4.5/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Diving mammals do not have larger lung volume to body size ratios than terrestrial mammals - Dr. Erik Seedhouse explains why

The Risks Of Ascent

Posted By Erik Seedhouse on 2 December 2002 Rated :

  • Currently 2.5/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Contributing writer Erik Seedhouse discusses the mechanisms of barotrauma, embolism, and pneumothorax in freediving

Unraveling the Mammalian Dive Reflex (Part II)

Posted By Erik Seedhouse on 26 September 2002 Rated :

  • Currently 4/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Resident Freediving Medical expert Erik continues his look at the Mammalian Dive Reflex. In this article he takes a look at Blood Shift and other factors

Unraveling the mammalian diving reflex (Part I)

Posted By Erik Seedhouse on 3 September 2002 Rated :

  • Currently 4/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Erik takes a closer look at the reasons why Freedivers experience a lowering of the heart rate, also known as the Mammalian Dive Reflex

Take a Deep Breath (Part II)

Posted By Erik Seedhouse on 25 July 2002 Rated :

  • Currently 4/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Erik tries to make the technical not so technical with an examination of the adaptations to freediving, compliant chest-walls, “armored airways”, and the ‘energetics’ of deep breath-hold diving.

Take a Deep Breath

Posted By Erik Seedhouse on 11 July 2002 Rated :

  • Currently 4/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

What actually occurs physiologically as a freediver goes deeper? Canadian Researcher Erik Seedhouse tries to make the technical not so technical on this topic.

Rescue procedures for Freediver Black Out

Posted By Cliff Etzel on 18 October 2001 Rated :

  • Currently 4.5/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Shallow Water Blackout is an ever looming specter while freediving. Our resident Freedive Instructor and Editor, Cliff Etzel, breaks ground by detailing the proper procedures for a SWB rescue.

Diver Down - a True Adventure

Posted By Mike Wade on 1 March 1999 Rated :

  • Currently 4.5/5 Stars.
  • 1
  • 2
  • 3
  • 4
  • 5
Share this

Mike tells his tale of Freediving and Decompression Sickness (DCS). An eye-opening experience.