Adjustments in Shoulder and Back Kinematics during Repetitive Palletizing Tasks.
back bending
ergonomics
loading and unloading
repetitive task performance
upper-body kinematics
Journal
Sensors (Basel, Switzerland)
ISSN: 1424-8220
Titre abrégé: Sensors (Basel)
Pays: Switzerland
ID NLM: 101204366
Informations de publication
Date de publication:
28 Jul 2022
28 Jul 2022
Historique:
received:
27
06
2022
revised:
21
07
2022
accepted:
25
07
2022
entrez:
12
8
2022
pubmed:
13
8
2022
medline:
16
8
2022
Statut:
epublish
Résumé
Repetitive task performance is a leading cause of musculoskeletal injuries among order-picking workers in warehouses. The repetition of lifting tasks increases the risk of back and shoulder injuries among these workers. While lifting in this industry is composed of loaded and unloaded picking and placing, the existing literature does not address the separate analysis of the biomechanics of the back and shoulder for these events. To that end, we investigated the kinematics of the back and shoulder movements of nine healthy male participants who performed three sessions of a simulated de/palletization task. Their back and shoulder kinematics were sensed using an optical motion capture system to determine the back inclination and shoulder flexion. Comparison of the kinematics between the first and last sessions indicated statistically significant changes in the timings, angles, coordination between the back and shoulder, and moments around the shoulder (p<0.05). The majority of the significant changes were observed during the loaded events, which confirms the importance of the separation of these events for biomechanical analysis. This finding suggests that focusing worker evaluation on the loaded periods can provide important information to detect kinematic changes that may affect musculoskeletal injury risk.
Identifiants
pubmed: 35957219
pii: s22155655
doi: 10.3390/s22155655
pmc: PMC9370918
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : WL Gore & Associates
ID : 030SRA00000171
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