Inclusion Criteria:  Living independently in the community ≥ 1 low-traumatic vertebral fracture ≥ 3 months ago Chronic back pain according to the national guideline for low back pain Mean back pain intensity NPS ≥ 1 (1-10 scale) Hyperkyphosis, kyphosis angle according to Debrunner >40° Intact skin or adequate wound coverage in the area of the contact surface of the orthosis  Exclusion Criteria:  Secondary osteoporosis (as determined by study physician) Expected change in overall pain therapy during the study period Structurally fixed kyphosis, lack of extension ability of the thoracic spine Kyphoplasty, vertebroplasty Use of back orthoses during the last 6 months Depression Dementia, cognitive impairment (Mini Mental Test < 25) Fresh neurological deficits; incontinence > grade 1 Body dimensions that do not allow for adjustment of the back orthosis Absence during baseline and follow-up assessments