What is the perfect volleyball arm swing? Explained in 2 minutes.

This morning I had a few arm-swing videos pop up on YouTube, and I will be honest I got a little frustrated. Too many gurus out there talking about the perfect arm-swing saying things like… “This will prevent shoulder injuries” “This will help you hit harder” Blah blah blah… I got news for you there is no perfect arm-swing…. But there are definitely better arm-swings, and an arm-swing that might be more ideal for you.