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The goal of dorsiflexion sports shoes is to increase jumping capacity by means of a lower position of the heel in relation to the forefoot which results in additional stretching of the ankle plantar flexors. The aim of this study was to compare a dorsiflexion sports shoe model with two conventional sports shoe models in a countermovement jump test. The sample consisted of 35 participants who performed a countermovement jump test on a force platform wearing the three models of shoes. There were significant differences in the way force was manifested (P < 0.05) in the countermovement jump test, with a decrease in the velocity of the center of gravity and an increase in force at peak power and mean force in the concentric phase. Moreover, peak power was reached earlier with the dorsiflexion sports shoe model. The drop of the center of gravity was increased in CS1 in contrast to the dorsiflexion sports shoe model (P < .05). However, the dorsiflexion sports shoes were not effective for improving either peak power or jump height (P > .05). Although force manifestation and jump kinetics differ between dorsiflexion shoes and conventional sports shoes, jump performance was similar.
Juan J. Salinero, Cristina González-Millán, Javier Abián-Vicén, and Juan Del Coso Garrigós are with the Exercise Physiology and Performance Laboratory, Camilo José Cela University, Madrid, Spain. Address author correspondence to Juan J. Salinero at firstname.lastname@example.org.