Pronator vs Supinator
We all have specific motor skills, organized in a complex and coherent way.
Identifying your preferential motor skills and the peculiarities of their coordination allows you to release natural movement.
Your personal motor profile will indicate for example, if you are a pronator or supinator – this will dictate your arm action & your glove movement/position.
Look at the similarities between a Rugby Kicker and how both throwing and glove arms from Pitchers work!