Stéphane Vermand^1,2,3*, Sébastien Duc¹, Marc Janin^4,5, Frank-Jourdan Ferrari^3,6, Mickaël Vermand⁷, Philippe Joly¹

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¹ Performance, Health, Measurement, Society (PSMS), University of Reims Champagne Ardennes, Reims, France.
² Podiatrist Office, 36 Rue Jean Catelas Amiens, Amiens, France.
³ Sport Podiatrist Association Podo’xygène, Tourcoing, France.
⁴ Movement, Balance, Performance and Health Laboratory (EA 4445), University of Pau & Pays de l’Adour, Sport Sciences Department, Tarbes, France.
⁵ Podiatrsit Office, 7 Rue de Treguel, Poitiers, France.
⁶ Podiatrist Office, 76 Grande Rue, Divonnes-les-Bains, France.
⁷ Mines School, Campus ARTEM, Nancy, France.
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Abstract: Objectives. The aim of this study was to investigate the effects of orthopaedic soles on the body posture. Methods. Forty-eight runners (21 men and 28 women) maintained a standing-up position on both feet with bare feet with neutral soles and orthopedic soles which contained bilaterally a podiatrist element of 3 mm height behind the metatarsal heads (Metatarsal Retro Capital Bar, MRCB). Stabilometric, plantar pressure and kinematic data in the sagittal plane on both sides were measured at 40 and 60 Hz, respectively. The position of the center of pressure on the anteroposterior axis (Y_CoP), the forefoot plantar pressure (FPP) and the anteroposterior position of the knee (Y_k), the hip (Y_H), the shoulder (Y_S) and the ears (Y_E) with respect to the vertical axis passing through the joint of the ankle were determined for each experimental condition. Findings. The addition of a MRCB orthopedic element induced in backward displacement of CoP, hip, shoulder and ears (p < 0.01). Y_CoP and FPP changes were significantly correlated with Y_H, Y_S and Y_E changes (p < 0.01). Conclusion. These results suggest that the addition of an orthopedic element located behind the metatarsal heads influences the overall position of the body and can help podiatrist in the care of their patients.

Keywords: Posture, Pressure, Insoles, Thin Plantar Stimulation, Podiatry

Cite this paper: Vermand, S. , Duc, S. , Janin, M. , Ferrari, F. , Vermand, M. , Joly, P. (2019) The Influence of Insole with Metatarsal Retro-Capital on Posture, Plantar Pressure and Body Segments Positions in Runners. International Journal of Clinical Medicine, 10, 326-335. doi: 10.4236/ijcm.2019.105025.

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