Plantar Pressure Distribution in Charcot–Marie–Tooth Disease: A Systematic Review
Abstract
1. Introduction
2. Materials and Methods
2.1. Search Strategy
2.2. Inclusion and Exclusion Criteria
2.3. Study Selection and Data Extraction
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- Participants: number of patients and demographic characteristics (age and CMT subtype);
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- Intervention: measurement method (baropodometry, in-shoe sensors) and devices used;
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- Comparisons: comparison of the plantar pressure main findings between healthy controls and unaffected feet, idiopathic cavus vs. neurogenic foot, pre- and post-operative period;
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- Outcomes: plantar pressure parameters.
2.4. Risk of Bias Assessment
2.5. Data Analysis
3. Results
3.1. Risk of Bias
3.2. Population
3.3. Plantar Pressure Systems and Outcomes
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- Peak pressure (PP) is the maximum pressure recorded under a defined plantar region during the stance phase, typically expressed in kilopascals (kPa). PP reflects the highest localized load experienced by the foot [34].
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- Pressure–time integral (PTI) is the area under the pressure–time curve for a given region, combining the magnitude and duration of loading (units kPa·s). PTI provides a cumulative measure of tissue stress throughout stance and may be more sensitive to overall load exposure than PP alone [35].
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- Center-of-pressure (CoP) trajectory is the path traced by the centroid of the resultant ground reaction force vector across the plantar surface during stance. CoP trajectory characterizes dynamic balance control and gait progression, with deviations indicating altered foot function or stability [36].
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- Contact time (CT) is the total duration for which the foot remains in contact with the support surface during a single gait cycle stance phase, usually measured in seconds. CT reflects temporal aspects of gait and is prolonged in conditions with muscle weakness or neuromuscular impairment [37].
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- Contact area (CA) is the surface area of the plantar foot in contact with the sensor or platform at any instant, reported in square centimeters (cm2). CA indicates the extent of load distribution under the foot and is altered in deformities that restrict or expand regional contact [38].
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- Peak force is the highest resultant force applied to a plantar region during stance, often normalized to body weight (N·%BW). Peak force quantifies the maximum load transmitted through the foot and, together with CA, underpins the calculation of PP [33].
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- Root mean square deviation (RMSD) is a statistical measure of the average deviation of an individual’s plantar pressure map from a normative reference pattern. RMSD captures global abnormalities in pressure distribution and is elevated in neuropathic or structural foot disorders [33].
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
CMT | Charcot–Marie–Tooth |
NOS | Newcastle–Ottawa Scale |
HMSN | Hereditary Motor Sensory Neuropathies |
PP | Peak Pressure |
PTI | Pressure–time integral |
CoP | Center-of-pressure |
CA | Contact area |
CT | Contact time |
RMSD | Root mean square deviation |
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Study (Year) | Study Design | Sample Size (Mean Age) | CMT Subtype | Method (Device) | Measured Parameters | Main Findings |
---|---|---|---|---|---|---|
Crosbie et al. (2008) [28] | Cross-sectional | 16 (51.7 ± 16.2 y) | CMT1 (9), unknown (4), CMT2 (2), CMT X (1) | In-shoe sensors (Novel Pedar) | PP, PTI, CT | ↑ PP and PTI forefoot, prolonged CT |
Burns et al. (2005) [29] | Cross-sectional (idiopathic cavus vs. neurogenic foot vs. controls) | 10 CMT | Mixed | Dynamic baropodometry (EMED platform) | PP, PTI, CA, CT | ↑ PTI rearfoot and forefoot; ↓ CA; prolonged CT |
Cardoso et al. (2021) [30] | Cross-sectional (children vs. adolescent vs. controls) | 40 (12.7 ± 0.6 y) | CMT1A (22), CMT2A (6), CMTX (1), unknown (11) | In-shoe sensors (Pedar-X) | PP, PTI, CA, CT | Children: ↓ CA, ↑ CT, ↑ PP medial forefoot and midfoot, ↑ PTI rearfoot, lateral midfoot and medial forefoot; Adolescents: ↓ CA, ↑ CT, no difference PP and PTI |
Chan et al. (2007) [31] | Prospective interventional | 9 (13.3 ± 2.5) | Unspecified CMT | Dynamic pedobarograph (Tekscan High-Resolution Pressure Assessment System) | Segmental pressure–time profiles pre/post-surgery | Pre-op: ↑ lateral midfoot and rearfoot; ↓ medial midfoot and forefoot Post-op: ↓ lateral midfoot and medial midfoot, ↑ rearfoot |
Erickson et al. (2015) [32] | Prospective interventional | 19 (11 ± 2 y) | CMT1A | Dynamic pedobarograph (EMED platform) | PP, PTI, peak force, CA, CT | Pre-op: ↑ PTI and CT lateral midfoot and rearfoot; ↓ CA and PP medial midfoot Post-op: ↓ peak force, ↑ CA |
Bloks et al. (2023) [33] | Case–control | 52 (42.7 ± 17.1 y) | CMT1 (41), CMT2 (9), unknown (2) | Dynamic baropodometry (Footscan pressure plate) | RMSD, PP ratios, CoP trajectories | ↑ RMSD, ↑ CoP lateral deviation; ↑ PP ratios lateral midfoot |
Study (Year) | Representativeness | Control Selection | Case Definition | No Outcome at Start | Comparability | Assessment Outcome | Follow-Up Long Enough | Outcome Adequacy | Total |
---|---|---|---|---|---|---|---|---|---|
Crosbie et al. (2008) [28] | ★ | ★ | ★ | ★ | ★ | ★ | — | ★ | 7 ★ |
Burns et al. (2005) [29] | ★ | ★ | ★ | ★ | ★ | ★ | — | ★ | 7 ★ |
Cardoso et al. (2021) [30] | ★ | ★ | ★ | ★ | ★ | ★ | — | ★ | 7 ★ |
Chan et al. (2007) [31] | ★ | — | ★ | ★ | ★★ | ★ | — | ★ | 7 ★ |
Erickson et al. (2015) [32] | ★ | — | ★ | ★ | ★★ | ★ | — | ★ | 7 ★ |
Bloks et al. (2023) [33] | ★ | ★ | ★ | ★ | ★ | ★ | — | ★ | 7 ★ |
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Arceri, A.; Mazzotti, A.; Sgubbi, F.; Zielli, S.O.; Langone, L.; Di Paola, G.; Brognara, L.; Faldini, C. Plantar Pressure Distribution in Charcot–Marie–Tooth Disease: A Systematic Review. Sensors 2025, 25, 4312. https://doi.org/10.3390/s25144312
Arceri A, Mazzotti A, Sgubbi F, Zielli SO, Langone L, Di Paola G, Brognara L, Faldini C. Plantar Pressure Distribution in Charcot–Marie–Tooth Disease: A Systematic Review. Sensors. 2025; 25(14):4312. https://doi.org/10.3390/s25144312
Chicago/Turabian StyleArceri, Alberto, Antonio Mazzotti, Federico Sgubbi, Simone Ottavio Zielli, Laura Langone, GianMarco Di Paola, Lorenzo Brognara, and Cesare Faldini. 2025. "Plantar Pressure Distribution in Charcot–Marie–Tooth Disease: A Systematic Review" Sensors 25, no. 14: 4312. https://doi.org/10.3390/s25144312
APA StyleArceri, A., Mazzotti, A., Sgubbi, F., Zielli, S. O., Langone, L., Di Paola, G., Brognara, L., & Faldini, C. (2025). Plantar Pressure Distribution in Charcot–Marie–Tooth Disease: A Systematic Review. Sensors, 25(14), 4312. https://doi.org/10.3390/s25144312