One of your players all of a sudden appears uncoordinated, slower than normal, off-balance and struggles to perform skills you thought were mastered long ago.
It takes no time at all to accurately diagnose the problem – Growth Spurt.
When trying to identify the reason a young player is struggling, this is by far the easiest. There’s no need to list the physical changes needed to identify a player going through a growth spurt. It’s safe to say you’ll know it when you see it.