Aim of this study is to analyze the task of pushing Passengers with Restricted Mobility (PRM) on three different wheelchairs currently supplied in an Italian airport. The wheelchairs differed in their width, weight and wheel dimensions. We investigated the task with two different PRMs weight (100 and 55 kg) and three different caster wheels positions (0°, 90° and 180°). We computed the Average Rectified Value, as percentage of maximum voluntary contraction, recorded from Erector Spinae and Anterior Deltoid muscles bilaterally in the starting phase of pushing. We can conclude that by means of sEMG it is possible to obtain useful data about the risks of pushing and pulling tasks in addition to those obtained by measuring the applied forces. In future research, it could be useful to analyze also muscle co-activation to better understand the biomechanical risks of pushing and pulling tasks.
sEMG Activity Contribution to Risk Assessment for PRM Assistance Workers / Silvetti, A.; Fiori, L.; Chini, G.; Ranavolo, A.; Tatarelli, A.; Gismondi, M.; Draicchio, F.. - 819:(2018), pp. 357-362. (Intervento presentato al convegno 20th Congress of the International Ergonomics Association, IEA 2018 tenutosi a ita) [10.1007/978-3-319-96089-0_38].
sEMG Activity Contribution to Risk Assessment for PRM Assistance Workers
Fiori L.;Chini G.;Ranavolo A.;Draicchio F.
2018
Abstract
Aim of this study is to analyze the task of pushing Passengers with Restricted Mobility (PRM) on three different wheelchairs currently supplied in an Italian airport. The wheelchairs differed in their width, weight and wheel dimensions. We investigated the task with two different PRMs weight (100 and 55 kg) and three different caster wheels positions (0°, 90° and 180°). We computed the Average Rectified Value, as percentage of maximum voluntary contraction, recorded from Erector Spinae and Anterior Deltoid muscles bilaterally in the starting phase of pushing. We can conclude that by means of sEMG it is possible to obtain useful data about the risks of pushing and pulling tasks in addition to those obtained by measuring the applied forces. In future research, it could be useful to analyze also muscle co-activation to better understand the biomechanical risks of pushing and pulling tasks.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
