Mechanical Modeling of Healthy and Diseased Calcaneal Fat Pad Surrogates
Abstract
:1. Introduction
2. Materials and Methods
2.1. Surrogate Fabrication
2.2. Mechanical Testing
2.3. Material Modeling
2.4. Data Analysis
3. Results and Discussion
3.1. Dynamic Mechanical Compression Test Results of Calcaneal Heel Pad Surrogates
3.2. Cyclic Mechanical Compression Tests and Repeatibility of Calcaneal Heel Pad Surrogates
3.3. Compression Tests of Calcaneal Heel Pad Surrogates at High Displacement Rates
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Test Specimen No. | Shore 00-10 | Shore 30A | ||
---|---|---|---|---|
Part A | Part B | Part A | Part B | |
1 | 45 | 45 | 5 | 5 |
2 | 50 | 40 | 5 | 5 |
3 | 60 | 30 | 5 | 5 |
4 | 42.5 | 42.5 | 10 | 5 |
5 | 50 | 35 | 10 | 5 |
6 | 60 | 25 | 10 | 5 |
7 | 40 | 40 | 10 | 10 |
8 | 50 | 30 | 10 | 10 |
9 | 60 | 20 | 10 | 10 |
10 | 37.5 | 37.5 | 15 | 10 |
11 | 45 | 30 | 15 | 10 |
12 | 55 | 20 | 15 | 10 |
13 | 32.5 | 32.5 | 20 | 15 |
14 | 45 | 20 | 20 | 15 |
15 | 50 | 15 | 20 | 15 |
Surrogate Composition | Healthy Control, Tong et al. | Plantar Heel Pain, Tong et al. | Diabetes, Tong et al. |
---|---|---|---|
45-45-5-5 | 0.32 | 0.17 | 0.02 |
50-40-5-5 | 0.36 | 0.20 | 0.05 |
60-30-5-5 | 0.39 | 0.24 | 0.10 |
42.5-42.5-10-5 | 0.53 | 0.28 | 0.13 |
50-35-10-5 | 0.64 | 0.31 | 0.16 |
60-25-10-5 | 0.66 | 0.36 | 0.19 |
40-40-10-10 | 0.71 | 0.42 | 0.24 |
50-30-10-10 | 0.85 | 0.47 | 0.42 |
60-20-10-10 a | 0.92 a | 0.53 | 0.49 |
37.5-37.5-15-10 | 0.87 | 0.68 | 0.63 |
45-30-15-10 | 0.73 | 0.87 | 0.66 |
55-20-15-10 a | 0.69 | 0.94 a | 0.71 |
32.5-32.5-20-15 | 0.55 | 0.88 | 0.78 |
45-20-20-15 a | 0.38 | 0.73 | 0.86 a |
50-15-20-15 | 0.22 | 0.66 | 0.80 |
Surrogate | |||
---|---|---|---|
60-20-10-10 (1.96 mm/s) | 0.0002 | 0.0090 | 0.0080 |
60-20-10-10 (180 mm/s) | 0.0050 | 0.0100 | 0.0120 |
60-20-10-10 (1800 mm/s) | 0.7200 | 0.3500 | 0.8800 |
Plantar pain (1.96 mm/s) | 0.0004 | 0.0090 | 0.0100 |
Diabetes (1.96 mm/min) | 0.0006 | 0.0150 | 0.0100 |
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Chanda, A.; McClain, S. Mechanical Modeling of Healthy and Diseased Calcaneal Fat Pad Surrogates. Biomimetics 2019, 4, 1. https://doi.org/10.3390/biomimetics4010001
Chanda A, McClain S. Mechanical Modeling of Healthy and Diseased Calcaneal Fat Pad Surrogates. Biomimetics. 2019; 4(1):1. https://doi.org/10.3390/biomimetics4010001
Chicago/Turabian StyleChanda, Arnab, and Stephen McClain. 2019. "Mechanical Modeling of Healthy and Diseased Calcaneal Fat Pad Surrogates" Biomimetics 4, no. 1: 1. https://doi.org/10.3390/biomimetics4010001