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Evaluation of fall arrest harness sizing schemes.
Hsiao-H; Whitestone-J; Kau-TY
Hum Factors 2007 Jun; 49(3):447-464
Objective: This paper evaluated harness sizing schemes and anthropometric criteria for harness design applications. Background: Updated harness sizing systems are needed to accommodate diverse populations in the current workforce. Method: Three-dimensional torso scan data and human-harness interfaces from 108 women and 108 men were digitally captured. Abounding box approach was employed to quantify the effect of torso shape and size on fall harness fit. Results: Alogistic regression model with eight equations was developed and tested to classify more than 96% of participants to the best-fitting size. Conclusion: Study outcomes suggested an alternative system of two sizes for women and three sizes for men over the current four-size unisex system. In addition, thigh strap angle and back D ring location could be utilized along with current harness static fit test criteria to further enhance postfall harness fit predictions. Application: This research could help reduce the risk of worker injury resulting from poor fit, improper size selection, or failure to don the harness properly.
Harnesses; Equipment-design; Equipment-reliability; Injury-prevention; Construction-workers; Protective-equipment; Protective-measures; Anthropometry; Weight-factors
Hongwei Hsiao, Protective Technology Branch, Division of Safety Research, NIOSH, 1095 Willowdale Rd., Morgantown, WV 26505
Issue of Publication
WV; OH; MI
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division