Quantification of the Influence of Prosthetic Ankle Stiffness on Static Balance Using Lower Limb Prosthetic Simulators
Abstract
:1. Introduction
2. Methods
2.1. Stiffness Characterization
2.2. Subjects and Protocol
2.3. Data Processing
3. Results
3.1. Ankle Stiffness
3.2. Static Balance Depending on the Prosthetic Ankle Stiffness
3.3. Joint Angles
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
ANOVA | Analyse Of Variance |
AP | Antero-Posterior |
CE | Closed Eyes |
CI | Confidence Intervals |
COM | Center Of Mass |
COP | Center Of Pressure |
ESAR | Energy Storage And Release |
ML | Medio-Lateral |
OE | Open Eyes |
ROM | Range Of Motion |
sd | standard deviation |
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Subject | Age | Sex | Mass | COM Height | Tested Prostheses | ||
---|---|---|---|---|---|---|---|
[kg] | [mm] | M1 | M3 | M6 | |||
1 | 22 | F | ✓ | ✓ | |||
2 | 25 | F | ✓ | ✓ | ✓ | ||
3 | 25 | F | ✓ | ✓ | ✓ | ||
4 | 28 | M | ✓ | ✓ | ✓ | ||
5 | 25 | M | ✓ | ✓ | ✓ | ||
6 | 24 | M | ✓ | ✓ | |||
7 | 24 | M | ✓ | ✓ | |||
8 | 24 | M | ✓ | ✓ | |||
9 | 40 | M | ✓ | ✓ | ✓ | ||
10 | 30 | M | ✓ | ✓ | |||
11 | 24 | M | ✓ | ✓ |
Stiffness (Nm/rad) | |||
---|---|---|---|
M1 | M3 | M6 | |
n cycles * | 7 | 7 | 10 |
mean | |||
sd |
Configuration | Ref. | M6 | M3 | M1 | ||||
---|---|---|---|---|---|---|---|---|
Situation | OE | CE | OE | CE | OE | CE | OE | CE |
AP range | ||||||||
(% COM height) | ||||||||
Ankle angle ROM | ||||||||
(deg) | ||||||||
Knee angle ROM | ||||||||
(deg) | ||||||||
Hip angle ROM | ||||||||
(deg) |
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Louessard, A.; Bonnet, X.; Catapano, A.; Pillet, H. Quantification of the Influence of Prosthetic Ankle Stiffness on Static Balance Using Lower Limb Prosthetic Simulators. Prosthesis 2022, 4, 636-647. https://doi.org/10.3390/prosthesis4040051
Louessard A, Bonnet X, Catapano A, Pillet H. Quantification of the Influence of Prosthetic Ankle Stiffness on Static Balance Using Lower Limb Prosthetic Simulators. Prosthesis. 2022; 4(4):636-647. https://doi.org/10.3390/prosthesis4040051
Chicago/Turabian StyleLouessard, Aude, Xavier Bonnet, Anita Catapano, and Helene Pillet. 2022. "Quantification of the Influence of Prosthetic Ankle Stiffness on Static Balance Using Lower Limb Prosthetic Simulators" Prosthesis 4, no. 4: 636-647. https://doi.org/10.3390/prosthesis4040051