Achilles Tears and Tendinitis Injuries: Understanding, Preventing, and RehabilitatingAchilles Tears and Tendinitis Injuries: Understanding, Preventing, and Rehabilitating This weekend I competed in a pickleball tournament. I passed the ball to my opponent and he took a lunge forward. A terrible look suddenly crossed his face and he froze in horror. He reported that he felt a pop in the back of his…