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Injury Risk is Altered by Previous Injury: A Systematic Review of the Literature and Presentation of Causative Neuromuscular Factors.

Authors: Fulton J, Drvol C, Kelly M, Wright K, Zanis M, Zebrosky B, Butler R

Activeadults commonly present with lower extremity (LE) injuries from a variety of professional and amateur sports activities. Decreased LE function significantly alters daily life and subsequent injuries increase this impact. The purpose of this systematic review was to examine the association between previous injury and the risk of re-injury, and to describe the changes in kinematics and motor programming that may contribute to this relationship. Twenty-six articles were included in the systematic review detailing the risk of re-injury from a previous injury and were graded for quality. ACL injury was linked to a successive injury of the same ACL, and other injuries in the LE. HS was associated with subsequent ipsilateral HSand knee injuries. Previous Achilles tendon rupture increases the risk of an analogous injury on the contralateral side.An ankle sprain is associated with a re-injury of either the ipsilateral or the contralateral ankle. Post-injury changes were present in strength, proprioception, and kinematics, which may have led to overall changes in motor control and function.

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