What are the six groups of diving?
There are six groups into which dives are classified: Forward, Back, Inward, Reverse, Twist, and Armstand. The armstand group applies only to Platform competitions, whereas the other five groups apply to both Springboard and Platform. The fourth digit, if applicable, indicates the number of half twists. The letter indicates body position: A = straight, B = pike, C = tuck, D = free.The more difficult the dive, the greater the reward when it’s performed well. The most difficult dive to perform, for the record, is the reverse 1½ somersault with 4½ twists off the 3-meter board.All dives are identified by three or four digits and one letter. Twisting dives utilize four numerical digits, while all other dives use three. The first digit indicates the dive’s group: 1 = forward, 2 = back, 3 = reverse, 4 = inward, 5 = twisting, 6 = armstand.Reverse three-and-a-half somersaults, tuck. B – Flying forward one-and-a-half somersaults, pike. For Group 5, the dive number has 4 digits. The second one indicates the group.
How many levels are in diving?
How many PADI scuba diving certification levels are there? PADI offers several diver levels, including the foundational Open Water Diver, followed by Advanced Open Water Diver, Rescue Diver, and the pinnacle non-professional certification, Master Scuba Diver. For adults who are not certified scuba divers and have no training, a depth of no more than 40 feet (12. Adults with the basic open water certificate can increase the depth to 60 feet (18. Advanced divers with additional training on top can reach depths of 130 feet (39.The rule suggests that the depth of the dive (in feet) and the time spent underwater (in minutes) should not exceed a combined total of 120. The goal of this rule is to keep divers within a range where they can avoid serious risks such as nitrogen narcosis and decompression sickness.Although, this exact depth does not apply to all recreational divers as it all depends on the age and training of the divers. The maximum depth of a certified PADI Scuba Diver is 40ft (12m) and the maximum depth for a certified PADI Open Water Diver is 60ft (18m).Department of Health Requirements: Prohibits head first diving in water depths less than 8 feet.
What is the golden rule of diving?
Never hold your breath. This is undoubtedly by far the most crucial of all safety rules for diving because failure to adhere could result in fatality. If you hold your breath underwater at the depths at which scuba divers reach then the fluctuating pressure of air in your lungs can rupture the lung walls. PADI (Professional Association of Diving Instructors) estimates that recreational divers can dive to a maximum depth of 130 feet. But they have a limited amount of time to do so before their health is jeopardized by the high water pressure and the inhalation of compressed air.This means divers can only spend around 12 minutes under the water at a time – with a maximum of 10 minutes of actual search time. This is in part to help avoid decompression sickness – also known as the bends – which can occur when divers stay underwater for long periods and ascend too quickly.Boyle’s Law is also important to divers because it means that if a diver takes a lung- ful of air while he is underwater, that air will expand in his lungs as he rises to the surface. If he holds his breath, or ascends too rapidly (like a cork) the expanding air can rupture his lungs.How deep do you go? With the necessary training and experience, the limit for recreational scuba diving is 40 metres/130 feet. Beginning scuba divers stay shallower than about 18 metres/60 feet.While there’s no precise depth at which a human would be ‘crushed’, diving beyond certain limits (around 60 meters) without proper equipment and gas mixes can lead to serious health issues due to the pressure effects on the body, including nitrogen narcosis and oxygen toxicity.