Frontal plane effects during running when use foot orthoses

Reasearch review :

Etiology of Patello femoral pain (PFP) is multifactorial. factors which contribute PFP are abnormal alignment of the patella – increase in patellofemoral joint stress. Excessive pronation of the foot which create compensation in lower extremity.

By consideration of kinetic chain, the concept of a link between the the foot and PFP is also supported. The literature states that  increased foot mobility are also risk factors for the development of PFP. If we find any cause which is related to foot than we  can use foot orthoses.  This orthosis designed to limit excessive pronation in the management of PFP. Clinically, foot orthoses have shown some effectiveness at reducing pain and improving function in patients with PFP.

However, clinical and biomechanical studies investi­gating the effects of foot orthoses have used a variety of custom and prefab­ricated foot orthoses with varying degrees and locations of wedging. This makes providing clear recommendations regarding orthotic prescription and design challenging. The lack of consistency is likely the result of an incomplete understanding of the key variables that need to be considered when prescribing or designing a foot orthosis. 

Especially in the short term. There is evidence to support the use of foot orthoses in the management of PFP.  There are multiple thoughts on foot orthotics improve PFP . If you consider foot is the cause of PFP than it is useful to treat the PFP. The medial and lateral wedge also improve the outcomes.  From a mechanical perspective, foot orthoses appear to significantly increase peak knee abduction moment, which does not support their use in the management of PFP.

However, there is also evidence that they shift the timing of this peak to later in stance, though the clinical implications of this finding have not been established. It is also possible that other mechanisms, like the effect of orthoses on lower extremity muscle activity may contribute to their clinical benefits. An important next step for orthotic research may be to compare the bio mechanics of individuals who benefit clinically from foot orthoses. Those who do not  identify key features associated with improved clinical outcomes.

Despite the choice of the foot orthotic, there were nice study and reinforces that there is not one factor in patellofemoral pain. in short term management,the foot orthotics do have a role to manage patellofemoral pain in runners.

iamge coutsey : Google


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