Purpose: The purpose of the study was to evaluate the effect of treatment of back pain in elderly women with an activating functional orthosis versus treatment with a group of physiotherapeutic tools and a control group for a six-month treatment period and follow-up after 12 months from the start of study. The aim was also to study elderly women with osteoporosis and back pain in a follow-up study of a cohort of women at high risk of osteoporotic fractures, with focus on back pain, functional capacity and quality of life.