From: Age-related injury risk curves for the lumbar spine for use in low-back-pain prevention in manual handling tasks
Age group (years)
\(a_{0}\)
\(a_{1}\)
\(a_{2}\)
20–39
16.77
2.544
− 0.4166
40–59
15.00
1.953
− 0.4831
60–79
6.388
2.338
− 0.8312