In this video John "Shrek" McPhee uses video diagnostics to analyze a student's "Yemen Drill"
This is a video diagnostic of a student performing John "Shrek" McPhee's "Yemen Drill."
This drill is the culmination of speed, precision, and efficiency. It's not as easy as it looks! The ultra yemen is a drill designed by John for the sake of fun. However, if you find yourself passing be sure to let us know in the forum!