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Knee pain| Anterior cruciate ligament injury

Posted Jul 03 2008 4:11pm

Thursday, June 26, 2008 



Increased knee-laxity measures may contribute to increased risk ofanteriorcruciateligament injury.

 

Strength training as a single intervention method may not be sufficient to reduce the risk of noncontactanteriorcruciateligamentinjury in female recreational athletes.

 

Female soccer and basketball players had ananteriorcruciateligamentinjury rate seven times that of male players.

 

The integrative effects of fatigue and decision making may represent a worst case scenario in terms ofanteriorcruciateligamentinjury risk during dynamic single leg landings.

 

Females display knee moments and kinematics that may place them at greater risk for ACL injury during a stop-cut task. Females should be coached to perform stop cuts with more knee flexion and a more neutral knee rotation angle upon foot contact in an effort to reduce moments that may place the ACL at risk (Wallace BJ. Kernozek TW. Bothwell EC.Lower extremity kinematics and kinetics of Division III collegiate baseball and softball players while performing a modified pro-agility task.Journal ofSportsMedicine & Physical Fitness. 47(4):377-84, 2007).

 

Women withanteriorcruciateligamentreconstruction have neuromuscular strategies that allow them to land from a jump similar to healthy women, but they exhibit joint moments that could predispose them to future injury if they participate insportsthat require jumping and landing. (Ortiz A. Olson S. Libby CL. Trudelle-Jackson E. Kwon YH. Etnyre B. Bartlett W.Landing mechanics between noninjured women and women withanteriorcruciateligamentreconstruction during 2 jump tasks.American Journal ofSportsMedicine. 36(1):149-57, 2008.

 

Altered equilibrium position of the tibiofemoral joint associated with reduced patellarligamentinsertion angle and adaptations of gait patterns followinganteriorcruciateligamentinjury may be associated with degenerative changes in the articular cartilage (Shin CS. Chaudhari AM. Dyrby CO. Andriacchi TP.The patellaligamentinsertion angle influences quadriceps usage during walking ofanteriorcruciateligamentdeficient patients.Journal of Orthopaedic Research. 25(12):1643-50, 2007 Dec.

 

Revisionanteriorcruciateligamentsurgery allowed approximately 60% of patients to go back tosports, most of them at lower levels than their prerevision function. Instrumented laxity of <3 mm was associated with a better result. Radiographic arthritis was associated with duration of instability symptoms after primary failure. Patients who undergo revisionanteriorcruciateligamentsurgery should be counseled as to the expected outcome and cautioned that this procedure probably represents a salvage situation and may not allow them to return to their desired levels of function. Battaglia MJ 2nd. Cordasco FA. Hannafin JA. Rodeo SA. O'Brien SJ. Altchek DW. Cavanaugh J. Wickiewicz TL. Warren RF.Results of revisionanteriorcruciateligamentsurgery.American Journal ofSportsMedicine. 35(12):2057-66, 2007

 



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