AI Article Synopsis
- Manual activities in construction, specifically for painters, can lead to musculoskeletal disorders, prompting a study to assess spinal movements and upper limb risks using tools like lumbar motion monitors and cameras.
- The study found that using a roller is generally safer for the upper limbs compared to a brush, but using a roller-stick of incorrect length can strain the back.
- To minimize risk according to the OCRA Index, painters should limit vertical wall painting to 3 hours with a roller and 2.5 hours with a brush; on average, a painter lifts a bucket about 120,140 times during a 5-hour workday.
Article Abstract
Manual activities of construction workers may induce musculoskeletal disorders. This study on a group of painters aimed to analytically characterize movements of the spinal column by both lumbar motion monitor and television cameras and to determine, using the Occupational Repetitive Actions (OCRA) Index method, the risk exerted by repeated movements of the upper limbs. The main results are: painting with a roller generally exposes workers to a lesser risk for upper limbs than painting with a brush; a roller-stick fixed at the wrong length can lead to stretching of the back at lumbar and cervical levels; to remain within the range of 'acceptable risk' (OCRA Index evaluation), a worker should not paint a vertical wall for over 3 h if using a roller and 2.5 h if painting with a brush; and, on average, a painter who paints for 5 h in a day lifts the bucket about 120,140 times.
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| http://dx.doi.org/10.1080/10803548.2016.1155802 | DOI Listing |
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