International Journal of Human Factors and Ergonomics
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International Journal of Human Factors and Ergonomics (3 papers in press)
Abstract: Rheumatoid arthritis (RA) is a chronic autoimmune disorder, often treated with adalimumab. This study was designed to validate usability of the adalimumab biosimilar FKB327 auto-injector (AI) and document risk associated with the device. A total of 136 participants were enrolled, including patients with RA, caregivers of patients with RA, and healthcare providers of patients with RA. Use errors and close calls were evaluated during 2 simulated injections. A full dose was administered by 90.4% and 97.8% of users for the first and second injections, respectively. The most common use errors were failure to squeeze injection site, check expiration date, check medication in viewing window, and rotate injection site during the second injection. The device, packaging, and instructions received favourable user ratings. FKB327-AI is an easy-to-use device for patients with RA, their caregivers, and healthcare providers. Errors that could lead to incorrect dose were infrequent and not associated with serious harm.
Keywords: adalimumab biosimilar; autoinjector; human factors validation; medical device usability validation; rheumatoid arthritis; rheumatoid arthritis caregivers; rheumatoid arthritis healthcare providers; rheumatoid arthritis patients; safety analysis; simulated injections; user error analysis.
Impact of Military Footwear Type and a Load Carriage Workload on Slip Initiation Biomechanics
by Harish Chander, Sachini N. K. Kodithuwakku Arachchige, Samuel Wilson, Adam Knight, Reuben Burch, Daniel Carruth, Chip Wade, John Garner
Abstract: The impact of military footwear and workload on slip incidence and severity have been previously reported. Further analysis of slip initiation biomechanics is warranted in attempt to prevent slips. Sixteen participants were tested with two military boots, standard (STD) and minimalist (MIN), before (PRE) and after (POST) a load carrying task during normal gait (NG), unexpected (US) and expected (ES) slips. Joint kinematics, ground reaction forces and muscle activity from the slipping leg were analyzed using a 2 (MIN-STD)
Keywords: Military Footwear; Slips; Falls; Lower Extremity Kinematics; Lower Extremity Ground Reaction Forces; Lower Extremity Muscle Activity; Load Carriage.
Using Cognitive Task Similarities to Compare UAS Control Station Designs to Air Traffic Control Workstations: A pilot study
by Patrick Doyle, Christina Rinaudo, Reuben Burch, Kari Babski-Reeves
Abstract: This study examines possible similarities between the cognitive tasks of air traffic control specialists (ATCS) and unmanned aircraft system (UAS) pilots as a pilot study to determine if the results from air traffic control (ATC) human factors research can be applied to the creation of Federal Aviation Administration UAS control station design standards. Ultimately, demonstrating such similarities in a pilot study could provide a safer and more cost-efficient avenue for UAS integration into the National Aerospace System as gaps in UAS research could then be filled by existing ATC studies rather than through the commissioning of new studies. In this study, an empirical analysis was conducted on possible similarities through an extensive literature review and a small population sampling. The results of this study support the existence of similarities between the cognitive tasks of ATCSs and UAS pilots; however, these findings are preliminary. Further research is needed to prove the applicability of ATC studies to UAS research.
Keywords: Air traffic control; unmanned aircraft systems; human factors; vigilance; attention; cognitive workload; situation awareness; aircraft displays; workstation design; remote pilot in charge.