%0 Journal Article
%T A 5¡ã medial wedge reduces frontal but not saggital plane motion during jump landing in highly trained women athletes
%A Michael F Joseph
%A Craig R Denegar
%A Elaine Horn
%A et al
%J Open Access Journal of Sports Medicine
%D 2010
%I Dove Medical Press
%R http://dx.doi.org/10.2147/OAJSM.S7793
%X 5¡ã medial wedge reduces frontal but not saggital plane motion during jump landing in highly trained women athletes Original Research (3992) Total Article Views Authors: Michael F Joseph, Craig R Denegar, Elaine Horn, et al Published Date March 2010 Volume 2010:1 Pages 23 - 27 DOI: http://dx.doi.org/10.2147/OAJSM.S7793 Michael F Joseph1, Craig R Denegar1, Elaine Horn1, Bradley MacDougall1, Michael Rahl1, Jessica Sheehan1, Thomas Trojian2, Jeffery M Anderson1, James E Clark1, William J Kraemer1 1Department of Kinesiology, 2Department of Sports Medicine, University of Connecticut, Storrs, CT, USA Abstract: Lower extremity mechanics during landing have been linked to traumatic and nontraumatic knee injuries, particularly in women¡¯s athletics. The effects of efforts to mitigate these risks have not been fully elucidated. We previously reported that a 5¡ã medial wedge reduced ankle eversion and knee valgus. In the present report we further investigated the effect of a 5¡ã medial wedge inserted in the shoes of female athletes on frontal plane hip motion, as well as ankle, knee, hip, and trunk saggital plane motion during a jump landing task. Kinematic data were obtained from 10 intercollegiate female athletes during jump landings from a 31 cm platform with and without a 5¡ã medial wedge. Hip adduction was reduced 1.98¡ã (95% CI 0.97¨C2.99¡ã) by the medial wedge but saggital plane motions were unaffected. A 5¡ã medial wedge reduces frontal plane motion and takes the knee away from a position associated with anterior cruciate ligament injury and patellofemoral pain syndrome. Although frontal plane motion was not captured it is unlikely to have increased in a bilateral landing task. Thus, it is likely that greater muscle forces were generated in these highly trained athletes to dissipate ground reaction forces when a medial wedge was in place. Additional investigation in younger and lesser trained athletes is warranted to assess the impact of orthotic devices on knee joint mechanics.
%K jump landing
%K foot orthotic
%K lower extremity kinematics
%K knee biomechanics
%K knee injury
%U https://www.dovepress.com/a-5deg-medial-wedge-reduces-frontal-but-not-saggital-plane-motion-duri-peer-reviewed-article-OAJSM