Determination of Lifting Abilities: A Comparative Study of Four Techniques

T. M. Khalil, S. M. Waly, S. S. Asfour, A. M. Genaidy

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

The main objective of this study was to test the differences among four techniques for the determination of lifting abilities. This study introduced a new submaximal isometric strength testng technique. The proposed test was based on the concept of acceptable maximum effort (AME) which is the level of static exertion the individual is willing to perform voluntarily and comfortably without over-exertion (as opposed to the maximum ability of performance). Twelve male and five female subjects underwent the protocol of the four strength testing techniques investigated: isometric maximum voluntary contraction (MCV); maximum acceptable weight (MAW); maximum dynamic lifting (MDL); and acceptable maximum effort (AME). The results showed that MAW recorded the lowest values followed by AME, then MLD, then MCV. The correlation between AME and MAW was higher than that found between MVC and MAW. Also, it was found that AME is a reproducible measure of muscular functional abilities. On the average, the coefficient of variation was less than 15% for data for both males and females. The implications of these results in determining lifting abilities are discussed.

Original languageEnglish (US)
Pages (from-to)951-956
Number of pages6
JournalAmerican Industrial Hygiene Association Journal
Volume48
Issue number12
DOIs
StatePublished - Dec 1 1987

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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