Figure 1From: Time trends in single versus concomitant neck and back pain in finnish adolescents: results from national cross-sectional surveys from 1991 to 2011 Time trends in three different types of spinal pain between 1991 and 2011; neck pain (NP) alone, low back pain (LBP) alone, and concomitant NP and LBP (NLBP) in 12-14- and 16-18-year-old Finnish girls and boys. Back to article page