Effects of lift-assist device on trunk and shoulder kinematics

Suman Chowdhury, Ashish D. Nimbarte, Christopher W. Moore

Research output: Contribution to journalArticlepeer-review

Abstract

<jats:p>Background: Repetitive handling of heavy concrete blocks has been associated with the risk of low back and shoulder injuries among the masons. Several interventions have been proposed to reduce the risk of musculoskeletal disorders among the masons. A new intervention, a lift-assist handle, was tested in this study. Objective: The effectiveness of the lift-assist handle in masonry work was assessed using the shoulder and low back  kinematics  during  block  lifting/lowering  tasks  performed  at  two  heights. Methods: In a laboratory setting, seven male subjects performed with- and without-lift handle assisted block lifting tasks at two different heights.  Optical motion capture system and biomechanical modeling software were used to record and model each dynamic trial. Effect of lifting height and use of a lift-assist handle on range of motion of the shoulder and trunk were tested. Results: The use of lift-assist handle significantly reduced trunk motion and increas
Original languageEnglish
Pages (from-to)1-6
JournalInternational Journal of Occupational Safety and Health
DOIs
StatePublished - 2015

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