Direct measurement of inner prosthesis loading during activities of daily living: Proposal for classification of functional outcome

Frossard, Laurent (2015) Direct measurement of inner prosthesis loading during activities of daily living: Proposal for classification of functional outcome. In XV World Congress of the International Society for Prosthetics and Orthotics (ISPO), 22-25 June 2015, Lyon, France.



The purpose of this presentation is to outline the relevance of the categorization of the load regime data to assess the functional output and usage of the prosthesis of lower limb amputees. The objectives are

• To highlight the need for categorisation of activities of daily living

• To present a categorization of load regime applied on residuum,

• To present some descriptors of the four types of activity that could be detected,

• To provide an example the results for a case.


The load applied on the osseointegrated fixation of one transfemoral amputee was recorded using a portable kinetic system for 5 hours.

The load applied on the residuum was divided in four types of activities corresponding to inactivity, stationary loading, localized locomotion and directional locomotion as detailed in previously publications.


The periods of directional locomotion, localized locomotion, and stationary loading occurred 44%, 34%, and 22% of recording time and each accounted for 51%, 38%, and 12% of the duration of the periods of activity, respectively. The absolute maximum force during directional locomotion, localized locomotion, and stationary loading was 19%, 15%, and 8% of the body weight on the anteroposterior axis, 20%, 19%, and 12% on the mediolateral axis, and 121%, 106%, and 99% on the long axis. A total of 2,783 gait cycles were recorded.


Approximately 10% more gait cycles and 50% more of the total impulse than conventional analyses were identified.

The proposed categorization and apparatus have the potential to complement conventional instruments, particularly for difficult cases.

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ID Code: 91565
Item Type: Conference Paper
Refereed: No
Additional URLs:
Keywords: Osseointegration, Bone-anchored prosthesis, Amputation, Kinetics, Activities of daily living
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > HUMAN MOVEMENT AND SPORTS SCIENCE (110600) > Biomechanics (110601)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Copyright Owner: Copyright 2015 [please consult the author]
Deposited On: 04 Jan 2016 01:57
Last Modified: 05 Jan 2016 04:58

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