Artículo

New affordable method for measuring angular variations caused by high heels on the sagittal plane of feet joints during gait

Journal ar
Applied Sciences (Switzerland)
  • Volumen: 11
  • Número: 12
  • Fecha: 02 junio 2021
  • ISSN: 20763417
  • Tipo de fuente: Revista
  • DOI: 10.3390/app11125605
  • Tipo de documento: Artículo
  • Editorial: MDPI
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.Gait is influenced by many factors, but one of the most prominent ones is shoe heel height. Optical motion tracking technology is widely used to analyze high¿heeled gait, but it normally in-volves several high¿quality cameras and licensed software, so clinics and researchers with low budgets cannot afford them. This article presents a simple, effective technique to measure the rota-tion angles on the sagittal plane of the ankle (tibiotalar) and toe (metatarsophalangeal) joints when no shoes (0 cm heel) and high¿heeled shoes (2, 6 and 10 cm heels) are worn. The foot¿s position was determined by a set of equations based on its geometry and video analysis techniques with free software (Tracker). An evaluation of the spatio¿temporal variables confirmed observations from previous studies: increasing heel heights reduces gait cycle length and speed but does not change cadence. The range of movement at the tibiotalar joint progressively narrowed from 28° when no heel height was worn to 9° when a 10 cm heel was used, and these reductions ranged from 30° to 5° for metatarsophalangeal joints, respectively. This aligns with other authors¿ previous studies, and confirms that the proposed method accurately measures kinematic ankle¿foot set changes when wearing high heels.

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