The present study also confirms the previous observation of a reduction in heart rate (bradycardia) which was associated with breath-hold diving
Ergozen describes a patient with subconjunctival hemorrhage associated with ocular barotrauma resulting from the use of swimming goggles during breath-hold diving
, and presents preventative measures that can be taken to avoid this traumatic side effect of pressure changes while diving (see pages 296-297).
Freediving, breath-hold diving
, or skin diving is a form of underwater diving that relies on the ability to hold their breath until resurfacing, rather than on the use of a breathing apparatus such as scuba gear.
The revisions from November 2014 effect changes in mishap and near-mishap reporting, planning and ORM, breath-hold diving
, and calculation of SCUBA air supply.
Presented at: The Physiology of Breath-Hold Diving
, Undersea and Hyperbaric Medical Society Workshop.
The physiology and pathophysiology of human breath-hold diving
. J Appl Physiol 2009;106:284-92.
The new research was conducted by Swedish scientists on 12 healthy volunteers who were trained in breath-hold diving
"No-Limits is banned in competitions by the world federation for breath-hold diving
, known as Aida [Association Internationale pour le Developpement de l'Apnee], but still open to record attempts, pushing divers to go deeper and deeper," said Haith.
Safe breath-hold diving
requires an appreciation of the risks involved and strategies for protecting yourself.
In freediving, also known as breath-hold diving
, the undersea hunter holds his breath for as long as two minutes while stalking prey with a spear.
As a sport, freediving's roots trace back to the late '40s, while the activity of breath-hold diving
, freediving as it is commonly referred to today, can be traced back 4,500 years.
"He had sent him breath-hold diving
on a full stomach, shortly after an evening meal.