Accuracy and feasibility of high-speed dual fluoroscopy and model-based tracking to measure in vivo ankle arthrokinematics

Highlights • We quantified the accuracy of dual-fluoroscopy to measure ankle arthrokinematics. • The dual-fluoroscopy system was situated adjacent to an instrumented treadmill. • Simulated gait and maximum range of motion exams were performed on cadavers. • Mean positional error was 0.03 ± 0.35 mm;...

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Bibliographic Details
Published in:Gait & posture 2015-05, Vol.41 (4), p.888-893
Main Authors: Wang, Bibo, Roach, Koren E, Kapron, Ashley L, Fiorentino, Niccolo M, Saltzman, Charles L, Singer, Madeline, Anderson, Andrew E
Format: Article
Language:English
Subjects:
Aged, 80 and over
Ankle Joint - diagnostic imaging
Ankle Joint - physiology
Biomechanical Phenomena
Cadaver
Computer Simulation
Dual fluoroscopy
Feasibility Studies
Female
Fluoroscopy - methods
Humans
Imaging, Three-Dimensional
In vivo
Kinematics
Male
Middle Aged
Movement - physiology
Orthopedics
Reproducibility of Results
Subtalar joint
Tibiotalar joint
Tomography, X-Ray Computed - methods
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Summary:Highlights • We quantified the accuracy of dual-fluoroscopy to measure ankle arthrokinematics. • The dual-fluoroscopy system was situated adjacent to an instrumented treadmill. • Simulated gait and maximum range of motion exams were performed on cadavers. • Mean positional error was 0.03 ± 0.35 mm; mean rotational error was 0.25 ± 0.81°. • Our approach may elucidate mechanisms responsible for impaired function in ankles.
ISSN:0966-6362
1879-2219
DOI:10.1016/j.gaitpost.2015.03.008