The Effects of Short-foot Exercises in Foot Posture

Pronation Deformity of the Foot

pronation

Therefore, the aim of this study is to examine the effects of the short foot exercises compared to placebo exercises in the foot posture index after a daily period of 4 weeks.

The intrinsic foot muscles collaborate in maintain the media longitudinal arch and in the postural control of the body.1 The plantar intrinsic foot muscles play a crucial role providing the foot stability and flexibility. 2 There are few studies about the relationship between hyperpronation and the training of the intrinsic muscles. A specific training program as a short foot exercise (SFE) may improve pathological conditions involving the foot and the lower extremity including plantar fasciitis, tendinopathies and foot hiperpronation.3 Several balance training techniques have been applied for improving postural stability, and the SFE have been widely accepted by physiotherapists to improve the longitudinal arch foot and the body segments.4 In this study, the foot posture will be evaluated with the foot posture index (FPI) and the navicular drop test (NDT). The foot posture index is a validated and useful method like a complementary tool for evaluating foot disorders. 5. The foot posture quantify the foot posture as normal, pronated or supinated. The foot posture index indicates a pronated foot position in a support relaxed position when IPP is equal to or superior to a +6 value. 5 The Navicular Drop Test quantifies, in millimeters, the descent of the navicular tuberosity. It was developed to evaluate the pronation of the foot and, consequently, the drop of the medial longitudinal arch, a excessively pronated foot (NDT≥10mm).6. Therefore, the aim of this study is to examine the effects of the SFE compared to a placebo exercise in the foot posture index after a daily period of 4 weeks. There is a lack of evidence of the effect of training intrinsic muscles in foot posture. The hypothesis of the researches is that the SFE may contribute to improving the pronated foot posture. This treatment may allow normalizing the foot posture and the kinematic interaction of the lower extremity joints during walking.

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