A comparison of kinematic restraint of two prophylactic ankle braces provided during flat and inverted drop surface landings
Wilder, Jennifer Ann
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The passive restraint provided by two prophylactic ankle braces during drop landings was compared. The angular kinematics of 27 participants were generated for three brace (Malleoloc (tm) = modified stirrup design, Active Ankle (tm) = hinge design and no brace = control) and two platform (flat and 30?? inverted) conditions. From the 3 x 2 repeated measure ANOVAs (p < 0.05), no significant differences were detected between the braces for in/eversion motion. However, the braces demonstrated less maximum inversion and inversion displacement than the control. The Malleoloc (tm) brace exhibited less maximum dorsiflexion and dorsiflexion angular displacement than either the Active Ankle (tm) or the control condition. Therefore, while there were no in/eversion differences between the hinge and the modified stirrup design, the hinge design allowed more natural dorsiflexion motion.