The LMWSI is an annual metric based on workers compensation (WC) costs of the most disabling non-fatal workplace injuries.
Between 1998 and 2010 the LMWSI grew by 38%, from $37.1 billion to $51.1 billion in nominal terms.
After adjusting for inflation, the burden in 2010 was similar in real-terms to the burden in 1998.
Even after adjusting for inflation, injuries for fall on same level category, cost America $2 billion more in 2010 than 1998.
The burden of overexertion injuries still far outweighs any other cause