Dual-task related gait changes in individuals with trans-tibial lower extremity amputation

Gait & Posture
Susan W HunterMichael W C Payne

Abstract

The improvement of gait and mobility are major rehabilitation goals following lower extremity amputations. However, when living in the community many daily activities require the multitasking of motor and cognitive tasks. The dual-task paradigm can be used to evaluate the concurrent performance of mobility and cognitive tasks. The purpose of this study was to evaluate the effects of dual-task gait testing in older adults with trans-tibial amputations. Twenty-four people (15 men, mean age ± SD, 62.72 ± 8.59) with trans-tibial amputation walked on an electronic walkway at i) self-selected comfortable pace and ii) self-selected comfortable pace while counting backwards by threes from a number randomly selected between 100 and 150. Cognitive performance, in the form of corrected response rate, was also evaluated as a single-task. The dual-task testing produced poorer performance in velocity (single-task = 58.15 ± 23.16 cm/s, dual-task = 50.92 ± 21.16 cm/s, p = 0.008), cadence (single-task = 76.65 ± 15.84 steps/min, dual-task = 67.85 ± 15.76 steps/min, p = 0.002) and stride time (single-task = 1094 ± 458.28 ms, dual-task = 1241.44 ± 513.73 ms, p = 0.005). Step length, stance time and single limb support time symmetry were also affec...Continue Reading

Citations

Apr 8, 2018·PM & R : the Journal of Injury, Function, and Rehabilitation·Courtney FrengopoulosSusan W Hunter
Dec 13, 2019·Prosthetics and Orthotics International·Nerrolyn RamstrandSaffran Filippa Möller
Feb 11, 2020·Disability and Rehabilitation·Sander L HitzigJorge Rios
Jan 9, 2021·Current Biology : CB·Greta PreatoniStanisa Raspopovic
Mar 11, 2021·Disability and Rehabilitation·Janis KimAndrew Sawers
Sep 1, 2021·PM & R : the Journal of Injury, Function, and Rehabilitation·Humberto OmanaSusan W Hunter

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