On Back Extension Machine, hold med ball in front of chest
Using hips and back, raise upper body until it forms straight line
Lower to start; repeat
Coaching points: Perform slowly and with control // Use med ball no more than eight pounds // Go through full range of motion
Goodstein: Everything in soccer is so anteriorfocused that we try to really work on [the] posterior kinetic chain. It keeps [the athlete] balanced to avoid overuse injuries.