The method of delivering chest compressions remains the same, as does the rate (at least 100 per minute). It is hoped that the use of compression-only delivery will increase the chances of the lay public delivering CPR.
Much like when crack your knuckles, loud popping noises from your knees are most likely caused by what is called cavitation. Cavitation results from a change in joint pressure that allows carbon dioxide, which is normally dissolved in your joint fluidâa.k.a.
Body popping is another classic hip-hop move where you isolate one part of your body at a time, making it pop. You can pop your arms, your shoulders, your chest, or any other part of your body while you're on the dance floor. This is a great move that you can use from time to time, without putting too much emphasis on it.