THE PEMBERIAN CONTRAX RELAX EXERCISE PADA INTERVENSI PEMBERIAN SHORT WAVE DIATHERMY (SWD), TRANSCUTANEUS ELECTRICAL NERVE STIMULATION (TENS), DAN MASSAGE MENURUNKAN NYERI PADA CERVICAL SPONDYLOSIS DI RSUD BADUNG - Agus Arta Winangun, I Made (Bachelor of Physiotherapy and Physiotherapy Profession Study Program, Faculty of Medicine, Udayana University in collaboration with Indonesian Physiotherapy Association (IPA), 2013)