Content » Vol 45, Issue 1

Original report

Comparison of multidirectional seated postural stability between individuals with spinal cord injury and able-bodied individuals

Cindy Gauthier, Dany Gagnon, Murielle Grangeon, Géraldine Jacquemin , Sylvie Nadeau, Kei Masani, Milos R. Popovic
Pathokinesiology Laboratory, Center for Interdisciplinary Research in Rehabilitation of Greater Montreal, Institut de réadaptation Gingras-Lindsay-de-Montréal, Montreal, Canada
DOI: 10.2340/16501977-1066


Objectives: To compare multidirectional seated postural stability between individuals with spinal cord injury and able-bodied- individuals and to evaluate the impact of abdominal and low back muscle paralysis on multidirectional seated stability.
Design: Case-control study.
Participants: Fifteen individuals with complete or incomplete spinal cord injury affecting various vertebral levels participated in this study and were gender-matched with 15 able-bodied individuals.
Methods: Participants were instructed to lean as far as possible in 8 directions, set apart by 45° intervals, while seated on an instrumented chair with their feet placed on force plates. Eight direction-specific stability indices and a global stability index were calculated.
Results: The global stability index and all direction-specific indices, except in the anterior and posterior directions, were lower in individuals with spinal cord injury than in able-bodied individuals. However, the individuals with spinal cord injury who had partial or full control of their abdominal and lower trunk muscles obtained a similar global stability index and similar direction-specific indices compared to the able-bodied individuals.
Conclusion: Multidirectional seated postural stability is reduced in individuals with SCI who have paralysis of the abdominal and lower back muscles in comparison to able-bodied individuals.

Lay Abstract


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