Assume Push-Up position and dig toes into top of ball
Keeping back flat and core stable, drive knees to chest to roll ball toward hands
Extend hips and knees to roll ball to start position
Repeat for specified reps
Sets/Reps: 4x10 Benefits: This unstable exercise strengthens the essential core stabilizers, which guard against injuries and provide stability throughout contact movements such as tackling, breaking tackles and boxing out.