EMPLOYEE REPORTED: ATTEMPTING TO PULL CONTINUOUS MINER CABLE OVER TO PLACE ALONG COAL RIB. HE WAS WEARING RUBBER GLOVES FOR HAND PROTECTION. THE GLOVES WERE DAMP & THE NYLON CABLE STRAP WAS DAMP. WHEN PULLING THE CABLE, HE LOST HIS GRIP FALLING AGAINST THE COAL RIB. HE CAUGHT HIMSELF AGAINST THE RIB BY EXTENDING HIS RT. ARM OUT. SUDDEN JAR RESULTED IN PAIN TO HIS SHOULDER.