EE WAS FILLING 50 LB BAGS @ GRAVITY BAGGER. IN ORDER TO FILL BAGS CORRECTLY YOU MUST PUSH ON BAGS CONTINUOUSLY. IN DOING SO EE HEARD HIS SHOULDER POP. HE THEN WENT TO SEE DR & FOUND OUT HE HAS TENDINITIS IN LEFT SHOULDER. THE DR PRESCRIBED CELEBREX & PUT HIM ON LIGHT DUTY WORK. EE RETURNED TO WORK 2/14.