Do athletes know the morphology of their longitudinal plantar arch?


  • Celso Sánchez Ramírez
  • Mónica Suárez-Reyes Escuela de Ciencias de la Actividad Física, el Deporte y la Salud (ECIADES), Facultad de Ciencias Médicas, Universidad Santiago de Chile



Foot, Athlete, Cavus Foot, Flat Foot, Injuries


The foot corresponds to the body segment that allows the exchange of forces between the support surface and the athlete's body; its morphology and function influence the quality of movement and body alignment. Moreover, the foot morphology can be modified according to the different adaptations that different sports cause, such as running, sport combat and team sports. This work aimed to define the knowledge that a sample of athletes has about their Medial Longitudinal Foot Arch (MLA). A sample of 119 athletes, separated into three groups (runners, combat athletes, and team players), were given a self-perception questionnaire of their MLA. Their responses were contrasted with the Arch Index (AI), which is a reliable objective measurement of the MLA. Just 18.5% of the sample were able to identify their MLA, as 67.2% stated they did not know, and 14.3% erred in their self-diagnosis. Combat athletes had the highest percentage who correctly identified their MLA (25%). Association was found between the knowledge demonstrated by athletes and the sport they practiced (X2 = 9.926, df = 4, p = 0.04). The ignorance about MLA by the athletes studied is presented as a problem of which consequences are unknown; this opens future research focused on the study of injuries caused by misalignment of the foot and the need to prescribe sports shoes as orthoses.


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