Loading Applied on Osseointegrated Implant by Transtibial Bone-Anchored Prostheses During Daily Activities

Thumbnail Image
File version

Accepted Manuscript (AM)

Frossard, Laurent
Leech, Barry
Pitkin, Mark
Griffith University Author(s)
Primary Supervisor
Other Supervisors
File type(s)

Introduction. This case-series study laid out principles for characterization of loading profile applied on osseointegrated implant by transtibial bone-anchored prostheses fitted with various feet while presenting benchmark loading data. Materials and Methods. Three individuals walked, ascended and descended stairs and ramps with instrumented prostheses fitted with a load cell as well as usual and anthropomorphic feet successively. The characterization of the loading profile involved the comparison of 100 variables including spatio-temporal characteristics, loading boundaries, local extremum and impulse. Results. The absolute maximum load extracted from 319 gait cycles with both prostheses across all activities was 48 %BW, 17 %BW and 112 %BW for the forces as well as 2 %BWm, 13 %BWm and 1 %BWm for the moments on and around the anteroposterior, mediolateral and long axes of the implant, respectively. Discussion. New evidence presented here indicated that a specific and comprehensive loading characterization capable to differentiate transtibial bone-anchored prostheses was achievable when relying on tri-axial direct measurements, recording a range of daily activities in addition of walking and considering at least nine loading extremum. Conclusions: Prosthetic care providers could use this characterization for evidence-based fitting of components to growing population of individuals with transtibial amputation fitted with osseointegrated implant worldwide.

Journal Title

Journal of Prosthetics and Orthotics

Conference Title
Book Title
Thesis Type
Degree Program
Publisher link
Patent number
Grant identifier(s)
Rights Statement
Rights Statement

© 2020 Lippincott Williams & Wilkins. This is a non-final version of an article published in final form in Journal of Prosthetics and Orthotics, 2020. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal link for access to the definitive, published version.

Item Access Status
Access the data
Related item(s)

Clinical sciences

Allied health and rehabilitation science

Persistent link to this record

Frossard, L; Leech, B; Pitkin, M, Loading Applied on Osseointegrated Implant by Transtibial Bone-Anchored Prostheses During Daily Activities, Journal of Prosthetics and Orthotics, 2020