Constant weight without fins
Constant weight without fins(CNF) is anAIDA International(International Association for Development of Apnea)freedivingdiscipline in which thefreediverdescends and ascends by swimming without the use offinsor without pulling on the rope or changing his or her ballast; only a single hold of the rope to stop the descent and to start the ascent is allowed.[1]Constant weight without fins is the depth discipline of freediving that is most challenging, because of the physical effort needed to swim without assistance.
Challenges[edit]
The main differences between free diving disciplines that involve diving to depth and those that occur at the surface are: the dive cannot be interrupted, there are periods where work is performed and the diver is impacted bydirect effectsof pressure.[2]
Current record holders[edit]
- Women:Kateryna Sadurska(Ukraine) – 76 metres[3]
- Men:William Trubridge(New Zealand) – 102 metres on July 21, 2016[4]
References[edit]
- ^McKie, N (2004)."Freediving in cyberspace".Journal of theSouth Pacific Underwater Medicine Society.34:101–3. Archived from the original on 2013-10-05.Retrieved2013-10-05.
{{cite journal}}:CS1 maint: unfit URL (link) - ^Schagatay E (December 2011)."Predicting performance in competitive apnea diving. Part III: deep diving".Diving and Hyperbaric Medicine.41(4): 216–28.PMID22183699.Archived from the original on February 10, 2014.Retrieved2014-02-10.
{{cite journal}}:CS1 maint: unfit URL (link) - ^"Vertical Blue 2023 Day 6: Kateryna Sadurska, Alenka Artnik Set New World Records".deeperblue.com.2023-07-27.Retrieved2023-10-03.
- ^"Kiwi freediver William Trubridge sets world record".Stuff.Retrieved2018-08-26.
