Abstract
In this study, we investigated the effects of football shoes with different collar heights on ankle biomechanics and dynamic postural stability. Fifteen healthy college football players performed anterior and lateral single-leg jump landings when wearing high collar, elastic collar, or low collar football shoes. The kinematics of lower limbs and ground reaction forces were collected by simultaneously using a stereo-photogrammetric system with markers (Vicon) and a force plate (Kistler). During the anterior single-leg jump landing, a high collar shoe resulted in a significantly smaller ankle dorsiflexion range of motion (ROM), compared to both elastic (p = 0.031, dz = 0.511) and low collar (p = 0.043, dz = 0.446) types, while also presenting lower total ankle sagittal ROM, compared to the low collar type (p = 0.023, dz = 0.756). Ankle joint stiffness was significantly greater for the high collar, compared to the elastic collar (p = 0.003, dz = 0.629) and low collar (p = 0.030, dz = 1.040). Medial-lateral stability was significantly improved with the high collar, compared to the low collar (p = 0.001, dz = 1.232). During the lateral single-leg jump landing, ankle inversion ROM (p = 0.028, dz = 0.615) and total ankle frontal ROM (p = 0.019, dz = 0.873) were significantly smaller for the high collar, compared to the elastic collar. The high collar also resulted in a significantly smaller total ankle sagittal ROM, compared to the low collar (p = 0.001, dz = 0.634). Therefore, the high collar shoe should be effective in decreasing the amount of ROM and increasing the dynamic stability, leading to high ankle joint stiffness due to differences in design and material characteristics of the collar types.
Highlights
Football is the most popular sport in the world, has the largest number of participants, and is associated with a high risk of injury at the professional, amateur, and youth levels during practices and matches [1,2,3,4,5]
Post hoc pairwise tests indicated that the high collar resulted in a significantly smaller dorsiflexion range of motion (ROM), compared to the elastic collar (p = 0.031, dz = 0.511) and low collar (p = 0.043, dz = 0.446) (Table 1), while a significantly smaller total ROM was observed for the high collar, compared to the low collar (p = 0.023, dz = 0.756) in the sagittal plane (Figure 3)
The ankle joint stiffness was significantly larger for the high collar, compared to the low collar (p = 0.030, dz = 1.040) and elastic collar (p = 0.003, dz = 0.629) (Figure 4)
Summary
Football is the most popular sport in the world, has the largest number of participants, and is associated with a high risk of injury at the professional, amateur, and youth levels during practices and matches [1,2,3,4,5]. It is estimated that somewhere between 13 and 35 players get injured every. The most common incidence of injuries occurs in the lower limbs, mostly ankle sprains [1,5,6]. Dvorak et al studied injury incidences in the 2010 International Federation of Association Football World Cup. Dvorak et al studied injury incidences in the 2010 International Federation of Association Football World Cup They found that ankle sprains were the most prevalent injury in practices or matches [6]. The impacts of ankle sprains can be severe and include considerable
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