Chapter 14. Anthropometry and Biomechanics - FAA

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Chapter 14 Anthropometry and biomechanics HFDS 2003 (amended Oct 2009) 14.5.3.2 Vertical direction of force. Required manual verticalstatic lift forces should not exceed the applicable 5th percentilepeak or mean force values given in Exhibit 14.5.3.2. [Source:MIL-HDBK-759B, 1992]Explanation. Based upon NIOSH experience, the forcesfound in the source that studied young military personnelhave been reduced by 20 percent (Exhibit 14.5.3.2). Themean forces given represent force over a three secondinterval, beginning two seconds after it reached aminimum value of 45 N provided that it continued toexceeded this minimum. Exhibit 14.5.3.2 reflects thehigher of two trials for each condition.14-48
HFDS 2003 (amended Oct 2009)Chapter 14 Anthropometry and biomechanicsExhibit 14.5.3.2 Static muscle strength data for vertical pull exertions14-49
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