January 2016

Exo-L ankle brace limits risky motion

A Dutch-designed ankle brace limits the inversion–plantar flexion motion responsible for most ankle sprains without limiting plantar flexion or dorsiflexion, according to results of a 12-person study published in November 2015 in the American Journal of Sports Medicine.

The investigators tested participants’ talocrural and subtalar joint mobility with a 3D computed tomography (3D CT) stress test before and after application of the ankle brace, made by Delft-based Exo-L. They assessed range of motion during dorsiflexion to plantar flexion and combined eversion and dorsiflexion to combined inversion and plantar flexion.

Use of the brace significantly restricted the rotation of motion from combined eversion and dorsiflexion to combined inversion and plantar flexion in both the talocrural and subtalar joints. No significant differences were found in either joint during dorsiflexion to plantar flexion.

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