Originally Posted by daly5050
Excuse me S****, How is the 15 degrees measured?
Bernard Hopkins said as an amateur he used to run with a tennis ball under his chin to remind him to keep his chin down, I have seen this method used before, does this comply with the 15 degrees?
That sounds about right, Plus the Chin has to be back to clench the Ball. Puts the Ears where they should be for proprioceptive duties.