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Thermal Asymmetries and Mean Foot Temperature
Summary
Including all toes in mean foot temperature (MFT) calculations improves thermal analysis for detecting foot problems. This method enhances correlations with forehead and brain temperature tunnel (BTT), aiding early detection of abnormal thermal patterns.
Area of Science:
- Biomedical Engineering
- Medical Imaging
- Human Physiology
Background:
- Foot problems cause pain and limit mobility.
- Infrared thermography offers a non-invasive method for detecting abnormal foot temperatures.
- Calculating mean foot temperature (MFT) is crucial for analyzing thermal asymmetries.
Purpose of the Study:
- To compare two protocols for calculating MFT.
- To assess the impact of including/excluding lesser toes on MFT calculations.
- To correlate MFT with forehead and brain temperature tunnel (BTT) measurements.
Main Methods:
- Nineteen healthy volunteers (18-55 years) participated.
- Thermal images of feet and face were acquired.
- MFT was calculated with and without the four lesser toes; correlations with forehead and BTT were analyzed.
Main Results:
- MFT was significantly lower when calculated using all toes compared to excluding the four lesser toes (p=0.008).
- Foot asymmetry measurements remained consistent regardless of the calculation method (median 0.4 °C).
- Correlations between MFT and forehead/BTT were stronger when all toes were included in MFT calculation.
Conclusions:
- Toes play a significant role in MFT analysis.
- Including all toes in MFT calculations is preferable for detecting abnormal thermal patterns.
- This refined MFT calculation method enhances diagnostic potential for foot conditions.
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