As the trail leg is driving at the hurdle, the opposite arm goes back. And as the trail leg passes over the hurdle the opposite arm drives forward into the arm action required for sprinting.
Save yourself a scare this Halloween and ensure your session runs smoothly. No chaos, no fright, just structure.
As the Lions tour approaches with their first tour game this Friday against Argentina, we look ahead at what the fans can expect to see from both sides as the tour in Australia approaches...
Introducing the Sportplan FootballBot. Your new coaching partner that has all the answers to the questions you may have...