“…In industrialized western countries, the lifetime prevalence of back pain ranges from 58 to 85%, with a point prevalence of 20-40% [4,6,46,47,65]. Despite medical advances, extensive occupational safety measures, and more widespread use of automated production systems in parallel with increasing tertiarization, the impact of back pain continues to increase in Germany and elsewhere; in fact, the number of back-pain-related days off work has risen in Germany by a factor of ten over the past 30 years [47].…”