Firstly, FIBA has a 5 second count on free throws, but I still have only called 1 or 2 in the 15 years I have been refereeing.
Secondly, as far as the hand up in the air - what about deaf people? One of our areas top coaches is totally deaf, and he has commented on several occasions that he like having me run games because I use clear, crisp hand signals, and conciously try to make sure that I am at least half facing his direction when verbally reporting calls.
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