Kinematic and gaze behaviour differs between hyper and hypo-affordants completing manual materials handling tasks

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dc.contributor.authorWalker, Kayla D.
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorDoan, Jon B.
dc.date.accessioned2024-05-10T21:48:35Z
dc.date.available2024-05-10T21:48:35Z
dc.date.issued2024
dc.degree.levelMasters
dc.description.abstractWork-related musculoskeletal disorders are a significant global health challenge, representing a substantial portion of lost work hours, reduced productivity, disability, injury, and pain across industries worldwide. Low back discomfort and disease is the most prevalent work-related musculoskeletal disorder. Low back disorders often result from the cumulative loading from repetitive bending, grasping, lifting, and carrying present in manual materials handling tasks. while much research has focused on safe and injurious manual materials handling behaviour, it may be useful to identify the perceptual strategies and outcomes that both couple with and precede manual materials handling actions, enabling the development of targeted interventions to modify those behaviours and reduce the risk of injury. This study investigates the differential impact of affordance perceptotype (hyper or hypo-affordant) and gaze behaviours on handling kinematics within ecologically relevant manual materials handling tasks. Specifically, this research aims to identify if differences exist in kinematic measures and visual attention strategies between affordance perceptotype sub-groups. The study used motion capture technology and vision tracking to quantify kinematics and gaze behaviour and examined two manual material handling tasks, with a static and dynamic target respectively. We predicted the hyper-affordant participants would identify with higher risk-taking behaviour plus demonstrate a limited visual attention strategy and injury-risk handling kinematics, with those behaviours connecting to an increased prevalence of musculoskeletal discomfort. This research revealed that hyper-affordants did exhibit larger values for relevant handling kinematics plus different gaze behaviours, potentially increasing their risk of injury. The role of state and trait characteristics and gaze behaviour in occupational behaviour were not significantly associated to kinematic measures, task condition, or perceived affordance distance. This research contributes to the understanding that individual differences in perception then action may affect occupational behaviour and risk of work-related musculoskeletal disorders, thus emphasizing the value of considering perception when developing and delivering ergonomic interventions.
dc.embargoNo
dc.identifier.urihttps://hdl.handle.net/10133/6744
dc.language.isoen
dc.proquest.subject0546
dc.proquest.subject0354
dc.proquest.subject0624
dc.proquestyesYes
dc.publisherLethbridge, Alta. : University of Lethbridge. Dept. of Kinesiology and Physical Education
dc.publisher.departmentDepartment of Kinesiology and Physical Education
dc.publisher.facultyArts and Science
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)
dc.subjectmanual materials handling
dc.subjectgaze behaviour
dc.subjectkinematics
dc.subjectwork related musculoskeletal disorders
dc.subjectoccupational injuries
dc.subjectaffordance
dc.subjectergonomics
dc.subject.lcshMusculoskeletal system--Wounds and injuries--Prevention
dc.subject.lcshBack--Wounds and injuries--Prevention
dc.subject.lcshBack--Care and hygiene
dc.subject.lcshLifting and carrying--Safety measures
dc.subject.lcshKinematics--Research
dc.subject.lcshHuman engineering
dc.subject.lcshMaterials handling--Safety measures
dc.subject.lcshVisual perception--Testing--Research
dc.subject.lcshGaze--Testing--Research
dc.subject.lcshEye tracking--Testing--Research
dc.subject.lcshDissertations, Academic
dc.titleKinematic and gaze behaviour differs between hyper and hypo-affordants completing manual materials handling tasks
dc.typeThesis
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