Laurent Bitker, Daniel Talmor, Jean-Christophe Richard
Imaging the acute respiratory distress syndrome: past, present and future
Intensive care medicine
individuals recent anterior cruciate ligament reconstruction may demonstrate altered movement strategy protecting knee maintaining stability altered knee movement might lead abnormal intraarticular load potentially contributing early knee osteoarthritis onset protective strategy may particularly evident active tasks induce pivotshift manoeuvre stepdown crossover task study investigated whether knee joint mechanics muscle activity differed participants early 3 months following reconstruction n 35 uninjured controls n 35 stepdown crossover task 45 changeofdirection used motion capture force plates surface electromyography compare timenormalised curves sagittal transverseplane knee mechanics muscle activity crossover phase groups using functional ttests also compared knee mechanics sides within injured group compared discrete outcomes describing crossover phase groups compared controls injured participants greater knee flexion angle moment lower internal rotation moment preparatory foot rotation pivoting leg smaller crossover angle longer crossover phase injured uninjured sides injured leg also greater biceps femoris vastus medialis muscle activity compared controls different knee mechanics uninjured leg individuals anterior cruciate ligament reconstruction showed kneestabilising pivotshift avoidance strategy legs early rehabilitation results may reflect altered motor representation motivate considerations early rehabilitation