The repeatability of dynamic strength tests was examined by calculating coefficients of variations (CV) for the forces exerted on lifting tests using the legs, torso and arms. Static strengths were also measured and compared to dynamic strengths. The CV for dynamic strengths, was in fact slightly lower than for static strengths, 9.79% vs. 10.6%. The correlations between the two types of strength measurements were large (r=.8l) and significant, indicating that along with good repeatability dynamic tests are an acceptable form of employee strength measurement.
Get full access to this article
View all access options for this article.
References
1.
ChaffinD. B., Ergonomics guide for the assessment of human static strength, Am. Ind. Hyg. Assoc. J., 36:505–510, 1975.
2.
ChaffinD. B.HerrinG. D.KeyserlingW. M.FoulkeJ. A., Preemployment Strength Testing, U.S. Dept. of Health, Education and Welfare, DHEW(NIOSH) Publication No. 77–163, 1977.
3.
KamonE.GoldfussA. J., In-plant evaluation of the muscle strength of workers, Am. Ind. Hyg. Assoc. J., 39:801–807, 1978.
4.
KamonE.KiserD.PytelJ. L., Dynamic and static lifting capacity and muscular strength of steelmill workers, Am. Ind. Hyg. Assoc. J., 43:853–857, 1982.
