THE ADDITION INTERVENTION IN PALM KNEADING MASSAGE, SHORT WAVE DIATHERMI, TRANSCUTANEOUS ELECTRICAL NERVE STIMULATION AND MC. KENZIE EXERCISE REDUCE BACK PAIN LUMBAL DISC BULGING - Bhayu Wirawan, I Made (Bachelor of Physiotherapy and Physiotherapy Profession Study Program, Faculty of Medicine, Udayana University in collaboration with Indonesian Physiotherapy Association (IPA), 2013)