Increased plantar force and impulse in American football players with high arch compared to normal arch

Carson, Daniel W.<sup>1</sup>; Myer, Gregory D.<sup>1,2,3,4</sup>; Hewett, Timothy E.<sup>1,2,3,6</sup>; Heidt, Jr, Robert S.<sup>7</sup>; Ford, Kevin R.<sup>1,5,8</sup>

Affiliations

¹Cincinnati Children's Hospital Medical Center, Sports Medicine Biodynamics Center, Human Performance Laboratory, Cincinnati, OH, United States

²Departments of Pediatrics and Orthopaedic Surgery, College of Medicine, University of Cincinnati, Cincinnati, OH, United States

³Athletic Training Division, School of Allied Medical Professions, The Ohio State Universitya, Columbus, OH, United States

⁴Departments of Athletic Training, Sports Orthopaedics, and Pediatric Science Rocky Mountain University of Health Professions, Provo, UT, United States

⁵Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States

⁶Departments of Physiology & Cell Biology, Family Medicine, Orthopaedics and Biomedical Engineering, Ohio State University, Columbus, OH, United States

⁷Wellington Orthopaedic and Sports Medicine, Cincinnati, OH, USA

⁸High Point University, School of Health Sciences, Department of Physical Therapy, High Point, NC, USA

Abstract and keywords

Background: Risk of overuse injury among athletes is high due in part to repeated loading of the lower extremities. Compared to individuals with normal arch (NA) structure, those with high (HA) or low arch (LA) may be at increased risk of specific overuse injuries, including stress fractures. A high medial longitudinal arch may result in decreased shock absorbing properties due to increased rigidity in foot mechanics. While the effect of arch structure on dynamic function has been examined in straight line walking and running, the relationship between the two during multi-directional movements remains unstudied.

Objective: The purpose of this study was to determine if differences in plantar loading in football players occur during both walking and pivoting movements.

Method: Plantar loading was examined in 9 regions of the foot for 26 participants (16 NA, 10 HA).

Results: High arch athletes demonstrated increased maximum force in the lateral rear foot and medial forefoot, and force time integral in the medial forefoot while walking. HA athletes also demonstrated increased maximum force in the medial rear foot and medial and central forefoot during rapid pivoting.

Conclusions: The current findings demonstrate that loading patterns differ between football players with high and normal arch structure, which could possibly influence injury risk in this population.

Keywords: Plantar pressure; Overuse injury; Cutting task; Biomechanics

Links

DOI: 10.1016/j.foot.2012.09.002

PubMed: 23141809

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