In the second installment of “The Bottom Line”, Certified Professional Ergonomist and Managing Consultant, Blake McGowan, summarizes a 2014 study conducted by a team of researchers, including Tom Waters, of NIOSH. They determined a new lifting index limit.
Lu ML, Waters TR, Krieg E, Werren D (2014). Efficacy of the revised NIOSH lifting equation to predict risk of low-back pain associated with manual lifting: a one-year prospective study. Hum Factors. Feb;56(1):73-85.