How do high divers not get hurt?
If you were to belly-flop from a standard 10m diving board, it would be enough force to break ribs and cause serious internal bleeding. But if you enter the water streamlined, hands or feet first to break the surface tension, you will have zero injuries. High divers are built of solid muscle and they use it when entering the water because from that height water is deceptively hard. So, yes, you can definitely injure yourself if you don’t enter arms and head first.The goal is to enter the water feet-first to reduce risk of injury. This goes for both straight dives and if you’re doing somersaults on your way down. Minimizing impact: Tighten your core and keep your body streamlined to minimize your impact upon entry into the water.
What is the physics behind high diving?
Diving from a higher board doesn’t actually add that much time in the air because the diver is continually being accelerated by gravity. They are falling fastest as they reach the last part of the dive and so they fall through the extra distance much more quickly. Why build a diving board twice the Olympic height? The Montreal Olympic Sports Centre has a 20m (65ft) diving board. That’s twice the Olympic height.
What is the 120 rule in diving?
It’s mainly for recreational divers using air, not Nitrox or other fancy gas mixes. Here’s how it works: Your max depth (in feet) + your bottom time (in minutes) should be less than or equal to 120. That’s it. So if you plan to dive to 60 feet, the rule says you shouldn’t stay down longer than 60 minutes. 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.The same thing Mike did — the Golden Rule of scuba diving. Breathe normally; never hold your breath.The most frequent known root cause for diving fatalities is running out of, or low on, breathing gas, but the reasons for this are not specified, probably due to lack of data. Other factors cited include buoyancy control, entanglement or entrapment, rough water, equipment misuse or problems and emergency ascent.To minimize these effects, divers who must dive to great depths typically breathe a special mixture of gases rather than regular air. Low concentrations of oxygen are used, diluted with helium rather than nitrogen, because helium does not cause narcosis.