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Subjective Perception of Load Heaviness

Lee T. H.

International Journal of Occupational Safety and Ergonomics

2014

Vol. 20, No. 3

421--427

This study examined human subjective perception of load heaviness. Forty-two (3 boxes × 14 weights) and 27 (3 boxes × 9 weights) experimental conditions were randomly presented to male and female participants, respectively. The results showed that the participants were not able to discriminate the effect of the box on perceived weight. The participants underestimated the weight for low weights and overestimated it for high weights. The females perceived a greater increase in weight than the males for the same increase in weight. The participants’ linguistic term for perceived weight was positively correlated to the magnitude of weight. Approximately 50% of the males perceived a weight of 20 kg or over as risky, while ~60% of the females perceived a weight of 14 kg or over as risky. This study supposes that the gender difference in muscular capability is responsible for the effect of gender on the risk perception of weight.

Team-Based Risk Assessment and Action Plans as Participatory Methods for Safe Patient Handling in Two Swedish Municipal Care Homes for the Elderly

Skoglind-Ohman I., Vayrynen S.

International Journal of Occupational Safety and Ergonomics

2013

Vol. 19, No. 3

463--474

Objective. We investigated the usefulness of a team-based risk assessment method in patient transfer situations in municipal care homes for the elderly. Methods. Evaluation of risk assessment and action plans carried out in 2009. Focus group interviews with care givers and one-to-one interviews with managers and occupational therapists. Results. The evaluation showed that action plans and interventions were developed for each resident with identified risk connected with movement/transfer in daily life. Twenty-six patients (28%) of a total number of 94 were assigned to the "no risk" category regarding movement/transfer situations in daily life. The other 68 patients (72%) required further interventions, which were documented in action plans. The interviews indicated that the approach of team-based risk assessment and action plans was perceived as a functional participatory method aiming to improve daily life and work. Conclusion. Systematic team-based risk assessment and action plans benefit staff as well as residents at care homes for the elderly.