title: Safe levels of manual forces for young males (2).
abstract: In this, the second of a three-part series in which diagrams show the single loads or forces which can be applied safely by fit young males, data are given for pushing, pulling and vertical lifts, standing, squatting or sitting.
authors.affiliation: Department of Human Biology and Health, University of Surrey England.
authors.forename: P R
authors.initials: PR
authors.lastname: Davis
authors.forename: D A
authors.initials: DA
authors.lastname: Stubbs