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Anterior translation of the tibia under the simulated muscle load in the 4 conditions. The anterior cruciate ligament–deficient knee was significantly different from the other 3 conditions from 0° to 30°. *P < .05. Error bars represent standard deviation. ACL, anterior cruciate ligament; def, deficient; SB, single bundle; DB, double bundle; ACLR, anterior cruciate ligament reconstruction.
