MINER WAS CHANGING A HAMMER VALVE & WHEN PULLINGON THE BAR, INSERTED IN HOLES IN NUT TO LOOSEN & TIGHTEN THEM, HE FELT A PULL IN LEFT SHOULDER DID NOTHING MORE THAN COMPLETE ACCIDENT FORM (2001-017) NO TREATMENT. NOTIFIED COMPANY THAT PAIN CONTINUED & SOUGHT TREATMENT 4/3/02