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Buddy diving
Buddy diving is the use of the buddy system by scuba divers and is a set of safety procedures that are intended to improve divers' chances of avoiding or surviving accidents in or under water by diving in a group of two or three divers. When using the buddy system, the group dives together and co-operate with each other, so that they can help or rescue each other in the event of an emergency.
In recreational diving, a pair of divers is the best combination in buddy diving; with threesomes, one of the divers can easily lose the attention of the other two. Groups with more than three divers are not using the buddy system. The system is likely to be effective in mitigating out-of-air emergencies, non-diving medical emergencies and entrapment in ropes or nets. When used with the buddy check it can help avoid the omission, misuse and failure of diving equipment.
In technical diving activities such as cave diving, threesomes are considered an acceptable practice.
==History==
The sport of scuba diving had its roots among the multitude of small enthusiastic snorkelling and spearfishing clubs in the decades just before and after the Second World War.〔Dugan, James; "Man Under the Sea", Collier Books, 1965, Chapter 12, Library of Congress Number: 64-18390〕 After the invention of the "aqualung" by Cousteau and Gagnan, the first commercially underwater breathing apparatus became available for sale for sporting purposes in the late 1940s. As the new sport of scuba diving rapidly expanded through the 1950s, several sporting organisations – notably the YMCA – began programmes to train swimming enthusiasts in this new aquatic pastime and began to codify what were believed to be the proper practises needed for this expanding amateur sport.〔Dugan, James; "Man Under the Sea", 1966, Collier Books, p.292-305〕 The buddy system had been thought to be a useful corollary to the "never swim alone" edicts of the YMCA swimming and lifesaving programmes. Cousteau himself independently implemented a buddy system from the earliest days of exploratory diving after a number of harrowing diving incidents.〔Hanna, Nick; "(The Art of Diving )", 2006, Ultimate Sports Publications, p. 107, ISBN 0-9545199-2-2〕 The buddy system did indeed have some very useful aspects: the cross checking of equipment before dives, the facilitating of assistance for possible entanglement problems or equipment failures, and the enhancement of the social nature of diving. The YMCA continued as a major force in the development of diver certification during the first 50 years of this new sport. When these programmes were adopted by the emerging scuba certification agencies such as NAUI, PADI and BS-AC the practise of buddy diving solidified into one of the two main mantras of the sport: "never hold your breath" and "never dive alone".〔Brennan, Michael; "Underwater Swimming", Mayflower Books, 1970, p.49-52. ISBN 978-0-583-19608-6.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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