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Functional outcome of transfemoral amputees fitted with an osseointegrated fixation : temporal gait characteristics

Frossard, Laurent, Hagberg, Kerstin, Häggström, Eva, Lee Gow, David, Brånemark, Rickard, & Pearcy, Mark (2010) Functional outcome of transfemoral amputees fitted with an osseointegrated fixation : temporal gait characteristics. Journal of Prosthetics and Orthotics, 22(1), pp. 11-20.

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Abstract

The purpose of this study was to characterise the functional outcome of 12 transfemoral amputees fitted with osseointegrated fixation using temporal gait characteristics. The objectives were (A) to present the cadence, duration of gait cycle, support and swing phases with an emphasis on the stride-to-stride and participant-to-participant variability, and (B) to compare these temporal variables with normative data extracted from the literature focusing on transfemoral amputees fitted with a socket and able-bodied participants. The temporal variables were extracted from the load applied on the residuum during straight level walking, which was collected at 200 Hz by a transducer. A total of 613 strides were assessed. The cadence (46±4 strides/min), the duration of the gait cycle (1.29±0.11 s), support (0.73±0.07 s, 57±3% of CG) and swing (0.56±0.07 s, 43±3% of GC) phases of the participants were 2% quicker, 3%, 6% shorter and 1% longer than transfemoral amputees using a socket as well as 11% slower, 9%, 6% and 13% longer than able-bodied, respectively. All combined, the results indicated that the fitting of an osseointegrated fixation has enabled this group of amputees to restore their locomotion with a highly functional level. Further longitudinal and cross-sectional studies would be required to confirm these outcomes. Nonetheless, the data presented can be used as benchmark for future comparisons. It can also be used as input in generic algorithms using templates of patterns of loading to recognise activities of daily living and to detect falls.

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19 citations in Scopus
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ID Code: 29462
Item Type: Journal Article
Keywords: Gait, temporal characteristics, transfemoral amputation, osseointegration, functional outcome
DOI: 10.1097/JPO.0b013e3181ccc53d
ISSN: 1040-8800
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300) > Rehabilitation Engineering (090305)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2010 Lippincott Williams & Wilkins.
Deposited On: 04 Jan 2010 14:58
Last Modified: 01 Mar 2012 00:15

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