The frequency of knee, shoulder and back sprains and strains was 62% below the average of two control DCs and >73% below the temporary service agency providing workers to the test location.
Reduced frequency of sprain and strain claims by first year employees from 22% before testing to 1% post-testing.
Reduced MSD injury frequency and severity due to overexertion 76% over three years. Reduced overall workers compensation claims by 65%.
Of 475 tested and hired employees 15 reported first year MSD injuries with costs of less than $7,500. 86 untested employees during the same year reported injuries with costs over $870,000.