Roving Plank: Have Athletes start in plank. Give them directions to move and encourage them to keep their hips stable as you ask them to go forward, left, right and backwards. If this is easily grasped, you can add in obstacles such as hurdles, plates etc for them to rove over.
Follow the Leader
1 Trip through obstacle course in roving plank (hurdles, plates, boxes etc)
7 Jumping Jacks
7 Push Ups