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Title: Effect of wheelchair configurations on shoulder movements, push rim kinetics and upper limb kinematics while negotiating a speed bump
Authors: Gawande, Mohan
Wang, Peng
Arnold, Graham
Nasir, Sadiq
Abboud, Rami 
Wang, Weijie
Affiliations: FOE - Dean's Office 
Keywords: Wheelchair
Chair position
Push force
Speed bump
Upper limb
Issue Date: 2022-07
Publisher: Taylor & Francis Online
Part of: Ergonomics
Volume: 65
Issue: 7
Start page: 1
End page: 13
This study aimed to provide a comprehensive assessment of upper limb kinetics and kinematics and shoulder movements during wheelchair propulsion while negotiating a speed bump of 6 cm height using four different wheelchair configurations. 16 healthy males aged 30.8 ± 5.7 years participated in the experiment. The kinetic and kinematic data during wheelchair propulsion were recorded. A smart system was used to collect the push forces and a motion capture system was used to collect upper limb movements. The results show that approximately 50% more pushing force was required to negotiate the speed bump than that of level ground propulsion. At the upward-forward axle position, peak total forces were 95.17 ± 5.70 N which resulted in significantly improved propulsion ergonomics, but 129.36 ± 6.68 N was required at the upward-back axle position at the speed bump push. The findings could help manufactures to design protective gloves for wheelchair users and provide useful rehabilitation information to clinicians and patients. Practitioner summary: This study investigated pushing forces and movements during wheelchair propulsion over a speed bump. Approximately 50% more pushing force was required to negotiate the bump than a level surface propulsion. The upper-forward axle position was found to be reasonably better than other positions during wheelchair propulsion. Abbreviations: UF: upper and forward position; UB: upper and back position; DF: down and forward position; DB: down and back position; ROM: range of motion.
ISSN: 00140139
DOI: 10.1080/00140139.2021.2008018
Open URL: Link to full text
Type: Journal Article
Appears in Collections:FOE - Dean’s Office

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