EU wide ErgoClean project is aiming to prevent occupational diseases and accidents in cleaning. The project set out to find answers why cleaning is medium-heavy job and where does the load fall? Workload measurements were done with Myontec ErgoAnalysis providing accurate data for analysis and further steps.
Firstly the project did survey with 10 cleaning companies in Estonia, Hungary, Finland and Netherlands to collect and analyse answers regarding cleaning workload.
The percentage of cleaners who had experienced pain in different parts of the body.
Secondly, the project measured 111 work tasks or tests, including repetitions. The measurements were done by Myontec ErgoAnalysis which combines muscle activity, motions, heart rate and video into one, comprehensive loading profile. The products used were:
ErgoShirt, smart clothing for upper body measuring load on the arms and shoulder.
MBody shorts measuring thigh muscles.
ErgoAnalysis software and reporting tool to run quick reports were used for data analysis including load distribution, static load, micro-breaks during muscle work and the elevated position of the upper arms.
ErgoAnalysis solution combines muscle activation of each muscles groups together with motions like arm elevations or leaning with heart rate and video. Splitting recordings into work task is showing load distribution, static load, microbreaks and positions immediately.
There are differences in cleaning methods and practices between project countries. For this reason, methods that were not commonly used in all project countries were also selected for testing. The measurements were carried out in Finland during October and November 2022 in cooperation with the staff of Keuda Cleaning Services. Two cleaners were involved in the studies. Each of the employees performed two repetitions of the tested methods.
The aim of the test was:
To receive visualizations about muscle loading when cleaning
To get information about muscle loading in different kind of cleaning methods
The objectives were to compare:
damp, moist and wet methods when mopping a floor and wiping a table
different kind of tools when mopping and wiping
different kind of methods when mopping and wiping
the effect on physical load of a too long a shaft and too wide a movement when mopping
manual floor cleaning methods to machine cleaning
different ways to wring a cleaning cloth
using a sponge, dishwashing brush and microfiber cloth when cleaning a sink
vacuuming a textile floor with vacuum cleaner vs. upright suction cleaner (carpet cleaner), back rack vacuum cleaner
Results:
While cleaning, the amount of muscle load was individual, but the results were consistent
The amount of moisture in microfiber cloths and mops affects muscle stress
It’s beneficial to use machines
The tool has an effect on muscle load
Too long a shaft and too wide a movement clearly increase muscle load
It’s a bit less loading to mop backwards than forwards
It is advantageous to use the strength and movement of the leg muscles
Avoid sideways movements when wiping surfaces
If you don’t master the right way of working, the muscle load is higher
Do not wring cleaning cloths, pre-moisten
It’s a bit less loading to mop backwards than forwards
It is advantageous to use the strength and movement of the leg muscles
Avoid sideways movements when wiping surfaces
If you don’t master the right way of working, the muscle load is higher
Do not wring cleaning cloths, pre-moisten
The results were published on the project page. Read the full report here. The report was prepared by Tarja Valkosalo, Propuhtaus.
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