Cupping as An Effective Complementary Therapy to Reduce Chronic Low Back Pain in Medical Rehabilitation Subdivision Perkebunan Hospital Jember Debie Saktyana Iriawandani1, Hanik Badriyah Hidayati2*, Wahyudi Widada3, Zuhrotul Eka Yulis3, Azham Purwandhono4 Abstract Pain, especially chronic pain lasts prolonged weariness, usually persistent and recurring. Thus, pain is often found in